20010853620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1146097}}^1$

素因数の和:1146209

約数の個数: 72

約数和(自身を含む): 61325411784

約数和(自身を除く): 41314558164

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 97, 180, 194, 291, 388, 485, 582, 873, 970, 1164, 1455, 1746, 1940, 2910, 3492, 4365, 5820, 8730, 17460, 1146097, 2292194, 3438291, 4584388, 5730485, 6876582, 10314873, 11460970, 13753164, 17191455, 20629746, 22921940, 34382910, 41259492, 51574365, 68765820, 103148730, 111171409, 206297460, 222342818, 333514227, 444685636, 555857045, 667028454, 1000542681, 1111714090, 1334056908, 1667571135, 2001085362, 2223428180, 3335142270, 4002170724, 5002713405, 6670284540, 10005426810, 20010853620]

約数ペア:

[(1, 20010853620), (2, 10005426810), (3, 6670284540), (4, 5002713405), (5, 4002170724), (6, 3335142270), (9, 2223428180), (10, 2001085362), (12, 1667571135), (15, 1334056908), (18, 1111714090), (20, 1000542681), (30, 667028454), (36, 555857045), (45, 444685636), (60, 333514227), (90, 222342818), (97, 206297460), (180, 111171409), (194, 103148730), (291, 68765820), (388, 51574365), (485, 41259492), (582, 34382910), (873, 22921940), (970, 20629746), (1164, 17191455), (1455, 13753164), (1746, 11460970), (1940, 10314873), (2910, 6876582), (3492, 5730485), (4365, 4584388), (5820, 3438291), (8730, 2292194), (17460, 1146097)]