20003620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{379}}^1$

素因数の和:437

約数の個数: 96

約数和(自身を含む): 53625600

約数和(自身を除く): 33621980

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 29, 35, 52, 58, 65, 70, 91, 116, 130, 140, 145, 182, 203, 260, 290, 364, 377, 379, 406, 455, 580, 754, 758, 812, 910, 1015, 1508, 1516, 1820, 1885, 1895, 2030, 2639, 2653, 3770, 3790, 4060, 4927, 5278, 5306, 7540, 7580, 9854, 10556, 10612, 10991, 13195, 13265, 19708, 21982, 24635, 26390, 26530, 34489, 43964, 49270, 52780, 53060, 54955, 68978, 76937, 98540, 109910, 137956, 142883, 153874, 172445, 219820, 285766, 307748, 344890, 384685, 571532, 689780, 714415, 769370, 1000181, 1428830, 1538740, 2000362, 2857660, 4000724, 5000905, 10001810, 20003620]

約数ペア:

[(1, 20003620), (2, 10001810), (4, 5000905), (5, 4000724), (7, 2857660), (10, 2000362), (13, 1538740), (14, 1428830), (20, 1000181), (26, 769370), (28, 714415), (29, 689780), (35, 571532), (52, 384685), (58, 344890), (65, 307748), (70, 285766), (91, 219820), (116, 172445), (130, 153874), (140, 142883), (145, 137956), (182, 109910), (203, 98540), (260, 76937), (290, 68978), (364, 54955), (377, 53060), (379, 52780), (406, 49270), (455, 43964), (580, 34489), (754, 26530), (758, 26390), (812, 24635), (910, 21982), (1015, 19708), (1508, 13265), (1516, 13195), (1820, 10991), (1885, 10612), (1895, 10556), (2030, 9854), (2639, 7580), (2653, 7540), (3770, 5306), (3790, 5278), (4060, 4927)]