20121089144

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{32909}}^1\times {\mathrm{5879}}^1$

素因数の和:38807

約数の個数: 32

約数和(自身を含む): 40637268000

約数和(自身を除く): 20516178856

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 5879, 11758, 23516, 32909, 47032, 65818, 76427, 131636, 152854, 263272, 305708, 427817, 611416, 855634, 1711268, 3422536, 193472011, 386944022, 773888044, 1547776088, 2515136143, 5030272286, 10060544572, 20121089144]

約数ペア:

[(1, 20121089144), (2, 10060544572), (4, 5030272286), (8, 2515136143), (13, 1547776088), (26, 773888044), (52, 386944022), (104, 193472011), (5879, 3422536), (11758, 1711268), (23516, 855634), (32909, 611416), (47032, 427817), (65818, 305708), (76427, 263272), (131636, 152854)]