20176669084

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{72431}}^1$

素因数の和:72946

約数の個数: 48

約数和(自身を含む): 41567855616

約数和(自身を除く): 21391186532

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 487, 572, 974, 1948, 5357, 6331, 10714, 12662, 21428, 25324, 69641, 72431, 139282, 144862, 278564, 289724, 796741, 941603, 1593482, 1883206, 3186964, 3766412, 10357633, 20715266, 35273897, 41430532, 70547794, 141095588, 388012867, 458560661, 776025734, 917121322, 1552051468, 1834242644, 5044167271, 10088334542, 20176669084]

約数ペア:

[(1, 20176669084), (2, 10088334542), (4, 5044167271), (11, 1834242644), (13, 1552051468), (22, 917121322), (26, 776025734), (44, 458560661), (52, 388012867), (143, 141095588), (286, 70547794), (487, 41430532), (572, 35273897), (974, 20715266), (1948, 10357633), (5357, 3766412), (6331, 3186964), (10714, 1883206), (12662, 1593482), (21428, 941603), (25324, 796741), (69641, 289724), (72431, 278564), (139282, 144862)]