20347191

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{233}}^1\times {\mathrm{313}}^1$

素因数の和:583

約数の個数: 24

約数和(自身を含む): 30566016

約数和(自身を除く): 10218825

約数列:

[1, 3, 9, 31, 93, 233, 279, 313, 699, 939, 2097, 2817, 7223, 9703, 21669, 29109, 65007, 72929, 87327, 218787, 656361, 2260799, 6782397, 20347191]

約数ペア:

[(1, 20347191), (3, 6782397), (9, 2260799), (31, 656361), (93, 218787), (233, 87327), (279, 72929), (313, 65007), (699, 29109), (939, 21669), (2097, 9703), (2817, 7223)]