20212821080

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{50527}}^1$

素因数の和:50748

約数の個数: 64

約数和(自身を含む): 46439274240

約数和(自身を除く): 26226453160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 137, 146, 274, 292, 365, 548, 584, 685, 730, 1096, 1370, 1460, 2740, 2920, 5480, 10001, 20002, 40004, 50005, 50527, 80008, 100010, 101054, 200020, 202108, 252635, 400040, 404216, 505270, 1010540, 2021080, 3688471, 6922199, 7376942, 13844398, 14753884, 18442355, 27688796, 29507768, 34610995, 36884710, 55377592, 69221990, 73769420, 138443980, 147538840, 276887960, 505320527, 1010641054, 2021282108, 2526602635, 4042564216, 5053205270, 10106410540, 20212821080]

約数ペア:

[(1, 20212821080), (2, 10106410540), (4, 5053205270), (5, 4042564216), (8, 2526602635), (10, 2021282108), (20, 1010641054), (40, 505320527), (73, 276887960), (137, 147538840), (146, 138443980), (274, 73769420), (292, 69221990), (365, 55377592), (548, 36884710), (584, 34610995), (685, 29507768), (730, 27688796), (1096, 18442355), (1370, 14753884), (1460, 13844398), (2740, 7376942), (2920, 6922199), (5480, 3688471), (10001, 2021080), (20002, 1010540), (40004, 505270), (50005, 404216), (50527, 400040), (80008, 252635), (100010, 202108), (101054, 200020)]