20119060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{347}}^1$

素因数の和:592

約数の個数: 48

約数和(自身を含む): 45835776

約数和(自身を除く): 25716716

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 223, 260, 347, 446, 694, 892, 1115, 1388, 1735, 2230, 2899, 3470, 4460, 4511, 5798, 6940, 9022, 11596, 14495, 18044, 22555, 28990, 45110, 57980, 77381, 90220, 154762, 309524, 386905, 773810, 1005953, 1547620, 2011906, 4023812, 5029765, 10059530, 20119060]

約数ペア:

[(1, 20119060), (2, 10059530), (4, 5029765), (5, 4023812), (10, 2011906), (13, 1547620), (20, 1005953), (26, 773810), (52, 386905), (65, 309524), (130, 154762), (223, 90220), (260, 77381), (347, 57980), (446, 45110), (694, 28990), (892, 22555), (1115, 18044), (1388, 14495), (1735, 11596), (2230, 9022), (2899, 6940), (3470, 5798), (4460, 4511)]