20108858

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{7681}}^1$

素因数の和:7718

約数の個数: 32

約数和(自身を含む): 39823488

約数和(自身を除く): 19714630

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 77, 119, 154, 187, 238, 374, 1309, 2618, 7681, 15362, 53767, 84491, 107534, 130577, 168982, 261154, 591437, 914039, 1182874, 1436347, 1828078, 2872694, 10054429, 20108858]

約数ペア:

[(1, 20108858), (2, 10054429), (7, 2872694), (11, 1828078), (14, 1436347), (17, 1182874), (22, 914039), (34, 591437), (77, 261154), (119, 168982), (154, 130577), (187, 107534), (238, 84491), (374, 53767), (1309, 15362), (2618, 7681)]