20611964

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{293}}^1\times {\mathrm{409}}^1$

素因数の和:749

約数の個数: 24

約数和(自身を含む): 37126320

約数和(自身を除く): 16514356

約数列:

[1, 2, 4, 43, 86, 172, 293, 409, 586, 818, 1172, 1636, 12599, 17587, 25198, 35174, 50396, 70348, 119837, 239674, 479348, 5152991, 10305982, 20611964]

約数ペア:

[(1, 20611964), (2, 10305982), (4, 5152991), (43, 479348), (86, 239674), (172, 119837), (293, 70348), (409, 50396), (586, 35174), (818, 25198), (1172, 17587), (1636, 12599)]