20586618

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{87977}}^1$

素因数の和:87998

約数の個数: 24

約数和(自身を含む): 48035988

約数和(自身を除く): 27449370

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 87977, 175954, 263931, 527862, 791793, 1143701, 1583586, 2287402, 3431103, 6862206, 10293309, 20586618]

約数ペア:

[(1, 20586618), (2, 10293309), (3, 6862206), (6, 3431103), (9, 2287402), (13, 1583586), (18, 1143701), (26, 791793), (39, 527862), (78, 263931), (117, 175954), (234, 87977)]