20199107560

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{12316529}}^1$

素因数の和:12316581

約数の個数: 32

約数和(自身を含む): 46556483400

約数和(自身を除く): 26357375840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 12316529, 24633058, 49266116, 61582645, 98532232, 123165290, 246330580, 492661160, 504977689, 1009955378, 2019910756, 2524888445, 4039821512, 5049776890, 10099553780, 20199107560]

約数ペア:

[(1, 20199107560), (2, 10099553780), (4, 5049776890), (5, 4039821512), (8, 2524888445), (10, 2019910756), (20, 1009955378), (40, 504977689), (41, 492661160), (82, 246330580), (164, 123165290), (205, 98532232), (328, 61582645), (410, 49266116), (820, 24633058), (1640, 12316529)]