20177073340

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{277}}^1\times {\mathrm{421}}^1$

素因数の和:959

約数の個数: 96

約数和(自身を含む): 43872429888

約数和(自身を除く): 23695356548

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 211, 277, 410, 421, 422, 554, 820, 842, 844, 1055, 1108, 1385, 1684, 2105, 2110, 2770, 4210, 4220, 5540, 8420, 8651, 11357, 17261, 17302, 22714, 34522, 34604, 43255, 45428, 56785, 58447, 69044, 86305, 86510, 88831, 113570, 116617, 116894, 172610, 173020, 177662, 227140, 233234, 233788, 292235, 345220, 355324, 444155, 466468, 583085, 584470, 888310, 1166170, 1168940, 1776620, 2332340, 2396327, 3642071, 4781297, 4792654, 7284142, 9562594, 9585308, 11981635, 14568284, 18210355, 19125188, 23906485, 23963270, 24606187, 36420710, 47812970, 47926540, 49212374, 72841420, 95625940, 98424748, 123030935, 246061870, 492123740, 1008853667, 2017707334, 4035414668, 5044268335, 10088536670, 20177073340]

約数ペア:

[(1, 20177073340), (2, 10088536670), (4, 5044268335), (5, 4035414668), (10, 2017707334), (20, 1008853667), (41, 492123740), (82, 246061870), (164, 123030935), (205, 98424748), (211, 95625940), (277, 72841420), (410, 49212374), (421, 47926540), (422, 47812970), (554, 36420710), (820, 24606187), (842, 23963270), (844, 23906485), (1055, 19125188), (1108, 18210355), (1385, 14568284), (1684, 11981635), (2105, 9585308), (2110, 9562594), (2770, 7284142), (4210, 4792654), (4220, 4781297), (5540, 3642071), (8420, 2396327), (8651, 2332340), (11357, 1776620), (17261, 1168940), (17302, 1166170), (22714, 888310), (34522, 584470), (34604, 583085), (43255, 466468), (45428, 444155), (56785, 355324), (58447, 345220), (69044, 292235), (86305, 233788), (86510, 233234), (88831, 227140), (113570, 177662), (116617, 173020), (116894, 172610)]