20120670880

素因数分解:

$2^5\times 5^1\times {\mathrm{59}}^1\times {\mathrm{2131427}}^1$

素因数の和:2131501

約数の個数: 48

約数和(自身を含む): 48340787040

約数和(自身を除く): 28220116160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 80, 118, 160, 236, 295, 472, 590, 944, 1180, 1888, 2360, 4720, 9440, 2131427, 4262854, 8525708, 10657135, 17051416, 21314270, 34102832, 42628540, 68205664, 85257080, 125754193, 170514160, 251508386, 341028320, 503016772, 628770965, 1006033544, 1257541930, 2012067088, 2515083860, 4024134176, 5030167720, 10060335440, 20120670880]

約数ペア:

[(1, 20120670880), (2, 10060335440), (4, 5030167720), (5, 4024134176), (8, 2515083860), (10, 2012067088), (16, 1257541930), (20, 1006033544), (32, 628770965), (40, 503016772), (59, 341028320), (80, 251508386), (118, 170514160), (160, 125754193), (236, 85257080), (295, 68205664), (472, 42628540), (590, 34102832), (944, 21314270), (1180, 17051416), (1888, 10657135), (2360, 8525708), (4720, 4262854), (9440, 2131427)]