20899687042

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{1637}}^1\times {\mathrm{491041}}^1$

素因数の和:492693

約数の個数: 16

約数和(自身を含む): 33781725432

約数和(自身を除く): 12882038390

約数列:

[1, 2, 13, 26, 1637, 3274, 21281, 42562, 491041, 982082, 6383533, 12767066, 803834117, 1607668234, 10449843521, 20899687042]

約数ペア:

[(1, 20899687042), (2, 10449843521), (13, 1607668234), (26, 803834117), (1637, 12767066), (3274, 6383533), (21281, 982082), (42562, 491041)]