20406618

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{36571}}^1$

素因数の和:36610

約数の個数: 24

約数和(自身を含む): 45641856

約数和(自身を除く): 25235238

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 279, 558, 36571, 73142, 109713, 219426, 329139, 658278, 1133701, 2267402, 3401103, 6802206, 10203309, 20406618]

約数ペア:

[(1, 20406618), (2, 10203309), (3, 6802206), (6, 3401103), (9, 2267402), (18, 1133701), (31, 658278), (62, 329139), (93, 219426), (186, 109713), (279, 73142), (558, 36571)]