20009456880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11910391}}^1$

素因数の和:11910414

約数の個数: 80

約数和(自身を含む): 70890653184

約数和(自身を除く): 50881196304

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 11910391, 23820782, 35731173, 47641564, 59551955, 71462346, 83372737, 95283128, 119103910, 142924692, 166745474, 178655865, 190566256, 238207820, 250118211, 285849384, 333490948, 357311730, 416863685, 476415640, 500236422, 571698768, 666981896, 714623460, 833727370, 952831280, 1000472844, 1250591055, 1333963792, 1429246920, 1667454740, 2000945688, 2501182110, 2858493840, 3334909480, 4001891376, 5002364220, 6669818960, 10004728440, 20009456880]

約数ペア:

[(1, 20009456880), (2, 10004728440), (3, 6669818960), (4, 5002364220), (5, 4001891376), (6, 3334909480), (7, 2858493840), (8, 2501182110), (10, 2000945688), (12, 1667454740), (14, 1429246920), (15, 1333963792), (16, 1250591055), (20, 1000472844), (21, 952831280), (24, 833727370), (28, 714623460), (30, 666981896), (35, 571698768), (40, 500236422), (42, 476415640), (48, 416863685), (56, 357311730), (60, 333490948), (70, 285849384), (80, 250118211), (84, 238207820), (105, 190566256), (112, 178655865), (120, 166745474), (140, 142924692), (168, 119103910), (210, 95283128), (240, 83372737), (280, 71462346), (336, 59551955), (420, 47641564), (560, 35731173), (840, 23820782), (1680, 11910391)]