20778667848

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{117841}}^1$

素因数の和:117963

約数の個数: 96

約数和(自身を含む): 58826726400

約数和(自身を除く): 38048058552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 62, 72, 79, 93, 124, 158, 186, 237, 248, 279, 316, 372, 474, 558, 632, 711, 744, 948, 1116, 1422, 1896, 2232, 2449, 2844, 4898, 5688, 7347, 9796, 14694, 19592, 22041, 29388, 44082, 58776, 88164, 117841, 176328, 235682, 353523, 471364, 707046, 942728, 1060569, 1414092, 2121138, 2828184, 3653071, 4242276, 7306142, 8484552, 9309439, 10959213, 14612284, 18618878, 21918426, 27928317, 29224568, 32877639, 37237756, 43836852, 55856634, 65755278, 74475512, 83784951, 87673704, 111713268, 131510556, 167569902, 223426536, 263021112, 288592609, 335139804, 577185218, 670279608, 865777827, 1154370436, 1731555654, 2308740872, 2597333481, 3463111308, 5194666962, 6926222616, 10389333924, 20778667848]

約数ペア:

[(1, 20778667848), (2, 10389333924), (3, 6926222616), (4, 5194666962), (6, 3463111308), (8, 2597333481), (9, 2308740872), (12, 1731555654), (18, 1154370436), (24, 865777827), (31, 670279608), (36, 577185218), (62, 335139804), (72, 288592609), (79, 263021112), (93, 223426536), (124, 167569902), (158, 131510556), (186, 111713268), (237, 87673704), (248, 83784951), (279, 74475512), (316, 65755278), (372, 55856634), (474, 43836852), (558, 37237756), (632, 32877639), (711, 29224568), (744, 27928317), (948, 21918426), (1116, 18618878), (1422, 14612284), (1896, 10959213), (2232, 9309439), (2449, 8484552), (2844, 7306142), (4898, 4242276), (5688, 3653071), (7347, 2828184), (9796, 2121138), (14694, 1414092), (19592, 1060569), (22041, 942728), (29388, 707046), (44082, 471364), (58776, 353523), (88164, 235682), (117841, 176328)]