20173935986

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{491}}^1\times {\mathrm{1999}}^1$

素因数の和:2774

約数の個数: 32

約数和(自身を含む): 31173120000

約数和(自身を除く): 10999184014

約数列:

[1, 2, 43, 86, 239, 478, 491, 982, 1999, 3998, 10277, 20554, 21113, 42226, 85957, 117349, 171914, 234698, 477761, 955522, 981509, 1963018, 5046007, 10092014, 20543723, 41087446, 42204887, 84409774, 234580651, 469161302, 10086967993, 20173935986]

約数ペア:

[(1, 20173935986), (2, 10086967993), (43, 469161302), (86, 234580651), (239, 84409774), (478, 42204887), (491, 41087446), (982, 20543723), (1999, 10092014), (3998, 5046007), (10277, 1963018), (20554, 981509), (21113, 955522), (42226, 477761), (85957, 234698), (117349, 171914)]