20565559000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{547}}^1$

素因数の和:747

約数の個数: 256

約数和(自身を含む): 56873456640

約数和(自身を除く): 36307897640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 41, 50, 56, 70, 82, 100, 125, 131, 140, 164, 175, 200, 205, 250, 262, 280, 287, 328, 350, 410, 500, 524, 547, 574, 655, 700, 820, 875, 917, 1000, 1025, 1048, 1094, 1148, 1310, 1400, 1435, 1640, 1750, 1834, 2050, 2188, 2296, 2620, 2735, 2870, 3275, 3500, 3668, 3829, 4100, 4376, 4585, 5125, 5240, 5371, 5470, 5740, 6550, 7000, 7175, 7336, 7658, 8200, 9170, 10250, 10742, 10940, 11480, 13100, 13675, 14350, 15316, 16375, 18340, 19145, 20500, 21484, 21880, 22427, 22925, 26200, 26855, 27350, 28700, 30632, 32750, 35875, 36680, 37597, 38290, 41000, 42968, 44854, 45850, 53710, 54700, 57400, 65500, 68375, 71657, 71750, 75194, 76580, 89708, 91700, 95725, 107420, 109400, 112135, 114625, 131000, 134275, 136750, 143314, 143500, 150388, 153160, 156989, 179416, 183400, 187985, 191450, 214840, 224270, 229250, 268550, 273500, 286628, 287000, 300776, 313978, 358285, 375970, 382900, 448540, 458500, 478625, 501599, 537100, 547000, 560675, 573256, 627956, 671375, 716570, 751940, 765800, 784945, 897080, 917000, 939925, 957250, 1003198, 1074200, 1121350, 1255912, 1342750, 1433140, 1503880, 1569890, 1791425, 1879850, 1914500, 2006396, 2242700, 2507995, 2685500, 2803375, 2866280, 2937937, 3139780, 3582850, 3759700, 3829000, 3924725, 4012792, 4485400, 4699625, 5015990, 5371000, 5606750, 5875874, 6279560, 7165700, 7519400, 7849450, 8957125, 9399250, 10031980, 11213500, 11751748, 12539975, 14331400, 14689685, 15698900, 17914250, 18798500, 19623625, 20063960, 20565559, 22427000, 23503496, 25079950, 29379370, 31397800, 35828500, 37597000, 39247250, 41131118, 50159900, 58758740, 62699875, 71657000, 73448425, 78494500, 82262236, 100319800, 102827795, 117517480, 125399750, 146896850, 156989000, 164524472, 205655590, 250799500, 293793700, 367242125, 411311180, 501599000, 514138975, 587587400, 734484250, 822622360, 1028277950, 1468968500, 2056555900, 2570694875, 2937937000, 4113111800, 5141389750, 10282779500, 20565559000]

約数ペア:

[(1, 20565559000), (2, 10282779500), (4, 5141389750), (5, 4113111800), (7, 2937937000), (8, 2570694875), (10, 2056555900), (14, 1468968500), (20, 1028277950), (25, 822622360), (28, 734484250), (35, 587587400), (40, 514138975), (41, 501599000), (50, 411311180), (56, 367242125), (70, 293793700), (82, 250799500), (100, 205655590), (125, 164524472), (131, 156989000), (140, 146896850), (164, 125399750), (175, 117517480), (200, 102827795), (205, 100319800), (250, 82262236), (262, 78494500), (280, 73448425), (287, 71657000), (328, 62699875), (350, 58758740), (410, 50159900), (500, 41131118), (524, 39247250), (547, 37597000), (574, 35828500), (655, 31397800), (700, 29379370), (820, 25079950), (875, 23503496), (917, 22427000), (1000, 20565559), (1025, 20063960), (1048, 19623625), (1094, 18798500), (1148, 17914250), (1310, 15698900), (1400, 14689685), (1435, 14331400), (1640, 12539975), (1750, 11751748), (1834, 11213500), (2050, 10031980), (2188, 9399250), (2296, 8957125), (2620, 7849450), (2735, 7519400), (2870, 7165700), (3275, 6279560), (3500, 5875874), (3668, 5606750), (3829, 5371000), (4100, 5015990), (4376, 4699625), (4585, 4485400), (5125, 4012792), (5240, 3924725), (5371, 3829000), (5470, 3759700), (5740, 3582850), (6550, 3139780), (7000, 2937937), (7175, 2866280), (7336, 2803375), (7658, 2685500), (8200, 2507995), (9170, 2242700), (10250, 2006396), (10742, 1914500), (10940, 1879850), (11480, 1791425), (13100, 1569890), (13675, 1503880), (14350, 1433140), (15316, 1342750), (16375, 1255912), (18340, 1121350), (19145, 1074200), (20500, 1003198), (21484, 957250), (21880, 939925), (22427, 917000), (22925, 897080), (26200, 784945), (26855, 765800), (27350, 751940), (28700, 716570), (30632, 671375), (32750, 627956), (35875, 573256), (36680, 560675), (37597, 547000), (38290, 537100), (41000, 501599), (42968, 478625), (44854, 458500), (45850, 448540), (53710, 382900), (54700, 375970), (57400, 358285), (65500, 313978), (68375, 300776), (71657, 287000), (71750, 286628), (75194, 273500), (76580, 268550), (89708, 229250), (91700, 224270), (95725, 214840), (107420, 191450), (109400, 187985), (112135, 183400), (114625, 179416), (131000, 156989), (134275, 153160), (136750, 150388), (143314, 143500)]