20415693616

素因数分解:

$2^4\times {\mathrm{1619}}^1\times {\mathrm{788129}}^1$

素因数の和:789756

約数の個数: 20

約数和(自身を含む): 39579888600

約数和(自身を除く): 19164194984

約数列:

[1, 2, 4, 8, 16, 1619, 3238, 6476, 12952, 25904, 788129, 1576258, 3152516, 6305032, 12610064, 1275980851, 2551961702, 5103923404, 10207846808, 20415693616]

約数ペア:

[(1, 20415693616), (2, 10207846808), (4, 5103923404), (8, 2551961702), (16, 1275980851), (1619, 12610064), (3238, 6305032), (6476, 3152516), (12952, 1576258), (25904, 788129)]