20198568

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1579}}^1$

素因数の和:1642

約数の個数: 64

約数和(自身を含む): 55742400

約数和(自身を除く): 35543832

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 41, 52, 78, 82, 104, 123, 156, 164, 246, 312, 328, 492, 533, 984, 1066, 1579, 1599, 2132, 3158, 3198, 4264, 4737, 6316, 6396, 9474, 12632, 12792, 18948, 20527, 37896, 41054, 61581, 64739, 82108, 123162, 129478, 164216, 194217, 246324, 258956, 388434, 492648, 517912, 776868, 841607, 1553736, 1683214, 2524821, 3366428, 5049642, 6732856, 10099284, 20198568]

約数ペア:

[(1, 20198568), (2, 10099284), (3, 6732856), (4, 5049642), (6, 3366428), (8, 2524821), (12, 1683214), (13, 1553736), (24, 841607), (26, 776868), (39, 517912), (41, 492648), (52, 388434), (78, 258956), (82, 246324), (104, 194217), (123, 164216), (156, 129478), (164, 123162), (246, 82108), (312, 64739), (328, 61581), (492, 41054), (533, 37896), (984, 20527), (1066, 18948), (1579, 12792), (1599, 12632), (2132, 9474), (3158, 6396), (3198, 6316), (4264, 4737)]