20055888

素因数分解:

$2^4\times 3^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:177

約数の個数: 120

約数和(自身を含む): 59579520

約数和(自身を除く): 39523632

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 41, 43, 48, 72, 79, 82, 86, 123, 129, 144, 158, 164, 172, 237, 246, 258, 316, 328, 344, 369, 387, 474, 492, 516, 632, 656, 688, 711, 738, 774, 948, 984, 1032, 1264, 1422, 1476, 1548, 1763, 1896, 1968, 2064, 2844, 2952, 3096, 3239, 3397, 3526, 3792, 5289, 5688, 5904, 6192, 6478, 6794, 7052, 9717, 10191, 10578, 11376, 12956, 13588, 14104, 15867, 19434, 20382, 21156, 25912, 27176, 28208, 29151, 30573, 31734, 38868, 40764, 42312, 51824, 54352, 58302, 61146, 63468, 77736, 81528, 84624, 116604, 122292, 126936, 139277, 155472, 163056, 233208, 244584, 253872, 278554, 417831, 466416, 489168, 557108, 835662, 1114216, 1253493, 1671324, 2228432, 2506986, 3342648, 5013972, 6685296, 10027944, 20055888]

約数ペア:

[(1, 20055888), (2, 10027944), (3, 6685296), (4, 5013972), (6, 3342648), (8, 2506986), (9, 2228432), (12, 1671324), (16, 1253493), (18, 1114216), (24, 835662), (36, 557108), (41, 489168), (43, 466416), (48, 417831), (72, 278554), (79, 253872), (82, 244584), (86, 233208), (123, 163056), (129, 155472), (144, 139277), (158, 126936), (164, 122292), (172, 116604), (237, 84624), (246, 81528), (258, 77736), (316, 63468), (328, 61146), (344, 58302), (369, 54352), (387, 51824), (474, 42312), (492, 40764), (516, 38868), (632, 31734), (656, 30573), (688, 29151), (711, 28208), (738, 27176), (774, 25912), (948, 21156), (984, 20382), (1032, 19434), (1264, 15867), (1422, 14104), (1476, 13588), (1548, 12956), (1763, 11376), (1896, 10578), (1968, 10191), (2064, 9717), (2844, 7052), (2952, 6794), (3096, 6478), (3239, 6192), (3397, 5904), (3526, 5688), (3792, 5289)]