20320852005

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{63611}}^1$

素因数の和:63882

約数の個数: 48

約数和(自身を含む): 36518376960

約数和(自身を除く): 16197524955

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 229, 279, 465, 687, 1145, 1395, 2061, 3435, 7099, 10305, 21297, 35495, 63611, 63891, 106485, 190833, 318055, 319455, 572499, 954165, 1971941, 2862495, 5915823, 9859705, 14566919, 17747469, 29579115, 43700757, 72834595, 88737345, 131102271, 218503785, 451574489, 655511355, 1354723467, 2257872445, 4064170401, 6773617335, 20320852005]

約数ペア:

[(1, 20320852005), (3, 6773617335), (5, 4064170401), (9, 2257872445), (15, 1354723467), (31, 655511355), (45, 451574489), (93, 218503785), (155, 131102271), (229, 88737345), (279, 72834595), (465, 43700757), (687, 29579115), (1145, 17747469), (1395, 14566919), (2061, 9859705), (3435, 5915823), (7099, 2862495), (10305, 1971941), (21297, 954165), (35495, 572499), (63611, 319455), (63891, 318055), (106485, 190833)]