20001641392

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1604753}}^1$

素因数の和:1604821

約数の個数: 40

約数和(自身を含む): 41787794160

約数和(自身を除く): 21786152768

約数列:

[1, 2, 4, 8, 16, 19, 38, 41, 76, 82, 152, 164, 304, 328, 656, 779, 1558, 3116, 6232, 12464, 1604753, 3209506, 6419012, 12838024, 25676048, 30490307, 60980614, 65794873, 121961228, 131589746, 243922456, 263179492, 487844912, 526358984, 1052717968, 1250102587, 2500205174, 5000410348, 10000820696, 20001641392]

約数ペア:

[(1, 20001641392), (2, 10000820696), (4, 5000410348), (8, 2500205174), (16, 1250102587), (19, 1052717968), (38, 526358984), (41, 487844912), (76, 263179492), (82, 243922456), (152, 131589746), (164, 121961228), (304, 65794873), (328, 60980614), (656, 30490307), (779, 25676048), (1558, 12838024), (3116, 6419012), (6232, 3209506), (12464, 1604753)]