20669866

素因数分解:

$2^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{1039}}^1$

素因数の和:1091

約数の個数: 32

約数和(自身を含む): 37440000

約数和(自身を除く): 16770134

約数列:

[1, 2, 7, 14, 29, 49, 58, 98, 203, 343, 406, 686, 1039, 1421, 2078, 2842, 7273, 9947, 14546, 19894, 30131, 50911, 60262, 101822, 210917, 356377, 421834, 712754, 1476419, 2952838, 10334933, 20669866]

約数ペア:

[(1, 20669866), (2, 10334933), (7, 2952838), (14, 1476419), (29, 712754), (49, 421834), (58, 356377), (98, 210917), (203, 101822), (343, 60262), (406, 50911), (686, 30131), (1039, 19894), (1421, 14546), (2078, 9947), (2842, 7273)]