20347840828

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{19640773}}^1$

素因数の和:19640821

約数の個数: 24

約数和(自身を含む): 41795567072

約数和(自身を除く): 21447726244

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 19640773, 39281546, 78563092, 137485411, 274970822, 549941644, 726708601, 1453417202, 2906834404, 5086960207, 10173920414, 20347840828]

約数ペア:

[(1, 20347840828), (2, 10173920414), (4, 5086960207), (7, 2906834404), (14, 1453417202), (28, 726708601), (37, 549941644), (74, 274970822), (148, 137485411), (259, 78563092), (518, 39281546), (1036, 19640773)]