20862000

素因数分解:

$2^4\times 3^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:109

約数の個数: 240

約数和(自身を含む): 77956320

約数和(自身を除く): 57094320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 25, 30, 36, 38, 40, 45, 48, 50, 57, 60, 61, 72, 75, 76, 80, 90, 95, 100, 114, 120, 122, 125, 144, 150, 152, 171, 180, 183, 190, 200, 225, 228, 240, 244, 250, 285, 300, 304, 305, 342, 360, 366, 375, 380, 400, 450, 456, 475, 488, 500, 549, 570, 600, 610, 684, 720, 732, 750, 760, 855, 900, 912, 915, 950, 976, 1000, 1098, 1125, 1140, 1159, 1200, 1220, 1368, 1425, 1464, 1500, 1520, 1525, 1710, 1800, 1830, 1900, 2000, 2196, 2250, 2280, 2318, 2375, 2440, 2736, 2745, 2850, 2928, 3000, 3050, 3420, 3477, 3600, 3660, 3800, 4275, 4392, 4500, 4560, 4575, 4636, 4750, 4880, 5490, 5700, 5795, 6000, 6100, 6840, 6954, 7125, 7320, 7600, 7625, 8550, 8784, 9000, 9150, 9272, 9500, 10431, 10980, 11400, 11590, 12200, 13680, 13725, 13908, 14250, 14640, 15250, 17100, 17385, 18000, 18300, 18544, 19000, 20862, 21375, 21960, 22800, 22875, 23180, 24400, 27450, 27816, 28500, 28975, 30500, 34200, 34770, 36600, 38000, 41724, 42750, 43920, 45750, 46360, 52155, 54900, 55632, 57000, 57950, 61000, 68400, 68625, 69540, 73200, 83448, 85500, 86925, 91500, 92720, 104310, 109800, 114000, 115900, 122000, 137250, 139080, 144875, 166896, 171000, 173850, 183000, 208620, 219600, 231800, 260775, 274500, 278160, 289750, 342000, 347700, 366000, 417240, 434625, 463600, 521550, 549000, 579500, 695400, 834480, 869250, 1043100, 1098000, 1159000, 1303875, 1390800, 1738500, 2086200, 2318000, 2607750, 3477000, 4172400, 5215500, 6954000, 10431000, 20862000]

約数ペア:

[(1, 20862000), (2, 10431000), (3, 6954000), (4, 5215500), (5, 4172400), (6, 3477000), (8, 2607750), (9, 2318000), (10, 2086200), (12, 1738500), (15, 1390800), (16, 1303875), (18, 1159000), (19, 1098000), (20, 1043100), (24, 869250), (25, 834480), (30, 695400), (36, 579500), (38, 549000), (40, 521550), (45, 463600), (48, 434625), (50, 417240), (57, 366000), (60, 347700), (61, 342000), (72, 289750), (75, 278160), (76, 274500), (80, 260775), (90, 231800), (95, 219600), (100, 208620), (114, 183000), (120, 173850), (122, 171000), (125, 166896), (144, 144875), (150, 139080), (152, 137250), (171, 122000), (180, 115900), (183, 114000), (190, 109800), (200, 104310), (225, 92720), (228, 91500), (240, 86925), (244, 85500), (250, 83448), (285, 73200), (300, 69540), (304, 68625), (305, 68400), (342, 61000), (360, 57950), (366, 57000), (375, 55632), (380, 54900), (400, 52155), (450, 46360), (456, 45750), (475, 43920), (488, 42750), (500, 41724), (549, 38000), (570, 36600), (600, 34770), (610, 34200), (684, 30500), (720, 28975), (732, 28500), (750, 27816), (760, 27450), (855, 24400), (900, 23180), (912, 22875), (915, 22800), (950, 21960), (976, 21375), (1000, 20862), (1098, 19000), (1125, 18544), (1140, 18300), (1159, 18000), (1200, 17385), (1220, 17100), (1368, 15250), (1425, 14640), (1464, 14250), (1500, 13908), (1520, 13725), (1525, 13680), (1710, 12200), (1800, 11590), (1830, 11400), (1900, 10980), (2000, 10431), (2196, 9500), (2250, 9272), (2280, 9150), (2318, 9000), (2375, 8784), (2440, 8550), (2736, 7625), (2745, 7600), (2850, 7320), (2928, 7125), (3000, 6954), (3050, 6840), (3420, 6100), (3477, 6000), (3600, 5795), (3660, 5700), (3800, 5490), (4275, 4880), (4392, 4750), (4500, 4636), (4560, 4575)]