20187631443

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1741}}^1\times {\mathrm{12841}}^1$

素因数の和:14635

約数の個数: 32

約数和(自身を含む): 31498035712

約数和(自身を除く): 11310404269

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 1741, 5223, 12187, 12841, 36561, 38523, 74863, 89887, 224589, 269661, 524041, 552163, 1572123, 1656489, 3865141, 11595423, 22356181, 67068543, 156493267, 469479801, 961315783, 2883947349, 6729210481, 20187631443]

約数ペア:

[(1, 20187631443), (3, 6729210481), (7, 2883947349), (21, 961315783), (43, 469479801), (129, 156493267), (301, 67068543), (903, 22356181), (1741, 11595423), (5223, 3865141), (12187, 1656489), (12841, 1572123), (36561, 552163), (38523, 524041), (74863, 269661), (89887, 224589)]