20610919

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{227}}^1$

素因数の和:367

約数の個数: 24

約数和(自身を含む): 25732080

約数和(自身を除く): 5121161

約数列:

[1, 7, 17, 49, 109, 119, 227, 763, 833, 1589, 1853, 3859, 5341, 11123, 12971, 24743, 27013, 90797, 173201, 189091, 420631, 1212407, 2944417, 20610919]

約数ペア:

[(1, 20610919), (7, 2944417), (17, 1212407), (49, 420631), (109, 189091), (119, 173201), (227, 90797), (763, 27013), (833, 24743), (1589, 12971), (1853, 11123), (3859, 5341)]