20139449060

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1\times {\mathrm{101581}}^1$

素因数の和:102044

約数の個数: 48

約数和(自身を含む): 44234491392

約数和(自身を除く): 24095042332

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 431, 460, 862, 1724, 2155, 4310, 8620, 9913, 19826, 39652, 49565, 99130, 101581, 198260, 203162, 406324, 507905, 1015810, 2031620, 2336363, 4672726, 9345452, 11681815, 23363630, 43781411, 46727260, 87562822, 175125644, 218907055, 437814110, 875628220, 1006972453, 2013944906, 4027889812, 5034862265, 10069724530, 20139449060]

約数ペア:

[(1, 20139449060), (2, 10069724530), (4, 5034862265), (5, 4027889812), (10, 2013944906), (20, 1006972453), (23, 875628220), (46, 437814110), (92, 218907055), (115, 175125644), (230, 87562822), (431, 46727260), (460, 43781411), (862, 23363630), (1724, 11681815), (2155, 9345452), (4310, 4672726), (8620, 2336363), (9913, 2031620), (19826, 1015810), (39652, 507905), (49565, 406324), (99130, 203162), (101581, 198260)]