20465116

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{15551}}^1$

素因数の和:15609

約数の個数: 24

約数和(自身を含む): 41803776

約数和(自身を除く): 21338660

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 1316, 15551, 31102, 62204, 108857, 217714, 435428, 730897, 1461794, 2923588, 5116279, 10232558, 20465116]

約数ペア:

[(1, 20465116), (2, 10232558), (4, 5116279), (7, 2923588), (14, 1461794), (28, 730897), (47, 435428), (94, 217714), (188, 108857), (329, 62204), (658, 31102), (1316, 15551)]