20907892

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{349}}^1\times {\mathrm{881}}^1$

素因数の和:1251

約数の個数: 24

約数和(自身を含む): 38896200

約数和(自身を除く): 17988308

約数列:

[1, 2, 4, 17, 34, 68, 349, 698, 881, 1396, 1762, 3524, 5933, 11866, 14977, 23732, 29954, 59908, 307469, 614938, 1229876, 5226973, 10453946, 20907892]

約数ペア:

[(1, 20907892), (2, 10453946), (4, 5226973), (17, 1229876), (34, 614938), (68, 307469), (349, 59908), (698, 29954), (881, 23732), (1396, 14977), (1762, 11866), (3524, 5933)]