20108460075

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{840479}}^1$

素因数の和:840532

約数の個数: 48

約数和(自身を含む): 37519027200

約数和(自身を除く): 17410567125

約数列:

[1, 3, 5, 11, 15, 25, 29, 33, 55, 75, 87, 145, 165, 275, 319, 435, 725, 825, 957, 1595, 2175, 4785, 7975, 23925, 840479, 2521437, 4202395, 9245269, 12607185, 21011975, 24373891, 27735807, 46226345, 63035925, 73121673, 121869455, 138679035, 231131725, 268112801, 365608365, 609347275, 693395175, 804338403, 1340564005, 1828041825, 4021692015, 6702820025, 20108460075]

約数ペア:

[(1, 20108460075), (3, 6702820025), (5, 4021692015), (11, 1828041825), (15, 1340564005), (25, 804338403), (29, 693395175), (33, 609347275), (55, 365608365), (75, 268112801), (87, 231131725), (145, 138679035), (165, 121869455), (275, 73121673), (319, 63035925), (435, 46226345), (725, 27735807), (825, 24373891), (957, 21011975), (1595, 12607185), (2175, 9245269), (4785, 4202395), (7975, 2521437), (23925, 840479)]