20177101

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{233}}^1$

素因数の和:468

約数の個数: 16

約数和(自身を含む): 23587200

約数和(自身を除く): 3410099

約数列:

[1, 7, 89, 139, 233, 623, 973, 1631, 12371, 20737, 32387, 86597, 145159, 226709, 2882443, 20177101]

約数ペア:

[(1, 20177101), (7, 2882443), (89, 226709), (139, 145159), (233, 86597), (623, 32387), (973, 20737), (1631, 12371)]