20155354

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1\times {\mathrm{907}}^1$

素因数の和:1221

約数の個数: 16

約数和(自身を含む): 31118976

約数和(自身を除く): 10963622

約数列:

[1, 2, 41, 82, 271, 542, 907, 1814, 11111, 22222, 37187, 74374, 245797, 491594, 10077677, 20155354]

約数ペア:

[(1, 20155354), (2, 10077677), (41, 491594), (82, 245797), (271, 74374), (542, 37187), (907, 22222), (1814, 11111)]