20136480

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{461}}^1$

素因数の和:499

約数の個数: 192

約数和(自身を含む): 78236928

約数和(自身を除く): 58100448

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 96, 104, 105, 112, 120, 130, 140, 156, 160, 168, 182, 195, 208, 210, 224, 240, 260, 273, 280, 312, 336, 364, 390, 416, 420, 455, 461, 480, 520, 546, 560, 624, 672, 728, 780, 840, 910, 922, 1040, 1092, 1120, 1248, 1365, 1383, 1456, 1560, 1680, 1820, 1844, 2080, 2184, 2305, 2730, 2766, 2912, 3120, 3227, 3360, 3640, 3688, 4368, 4610, 5460, 5532, 5993, 6240, 6454, 6915, 7280, 7376, 8736, 9220, 9681, 10920, 11064, 11986, 12908, 13830, 14560, 14752, 16135, 17979, 18440, 19362, 21840, 22128, 23972, 25816, 27660, 29965, 32270, 35958, 36880, 38724, 41951, 43680, 44256, 47944, 48405, 51632, 55320, 59930, 64540, 71916, 73760, 77448, 83902, 89895, 95888, 96810, 103264, 110640, 119860, 125853, 129080, 143832, 154896, 167804, 179790, 191776, 193620, 209755, 221280, 239720, 251706, 258160, 287664, 309792, 335608, 359580, 387240, 419510, 479440, 503412, 516320, 575328, 629265, 671216, 719160, 774480, 839020, 958880, 1006824, 1258530, 1342432, 1438320, 1548960, 1678040, 2013648, 2517060, 2876640, 3356080, 4027296, 5034120, 6712160, 10068240, 20136480]

約数ペア:

[(1, 20136480), (2, 10068240), (3, 6712160), (4, 5034120), (5, 4027296), (6, 3356080), (7, 2876640), (8, 2517060), (10, 2013648), (12, 1678040), (13, 1548960), (14, 1438320), (15, 1342432), (16, 1258530), (20, 1006824), (21, 958880), (24, 839020), (26, 774480), (28, 719160), (30, 671216), (32, 629265), (35, 575328), (39, 516320), (40, 503412), (42, 479440), (48, 419510), (52, 387240), (56, 359580), (60, 335608), (65, 309792), (70, 287664), (78, 258160), (80, 251706), (84, 239720), (91, 221280), (96, 209755), (104, 193620), (105, 191776), (112, 179790), (120, 167804), (130, 154896), (140, 143832), (156, 129080), (160, 125853), (168, 119860), (182, 110640), (195, 103264), (208, 96810), (210, 95888), (224, 89895), (240, 83902), (260, 77448), (273, 73760), (280, 71916), (312, 64540), (336, 59930), (364, 55320), (390, 51632), (416, 48405), (420, 47944), (455, 44256), (461, 43680), (480, 41951), (520, 38724), (546, 36880), (560, 35958), (624, 32270), (672, 29965), (728, 27660), (780, 25816), (840, 23972), (910, 22128), (922, 21840), (1040, 19362), (1092, 18440), (1120, 17979), (1248, 16135), (1365, 14752), (1383, 14560), (1456, 13830), (1560, 12908), (1680, 11986), (1820, 11064), (1844, 10920), (2080, 9681), (2184, 9220), (2305, 8736), (2730, 7376), (2766, 7280), (2912, 6915), (3120, 6454), (3227, 6240), (3360, 5993), (3640, 5532), (3688, 5460), (4368, 4610)]