20771494

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{1621}}^1$

素因数の和:1815

約数の個数: 16

約数和(自身を含む): 32115600

約数和(自身を除く): 11344106

約数列:

[1, 2, 43, 86, 149, 298, 1621, 3242, 6407, 12814, 69703, 139406, 241529, 483058, 10385747, 20771494]

約数ペア:

[(1, 20771494), (2, 10385747), (43, 483058), (86, 241529), (149, 139406), (298, 69703), (1621, 12814), (3242, 6407)]