202154090

素因数分解:

$2^1\times 5^1\times {\mathrm{991}}^1\times {\mathrm{20399}}^1$

素因数の和:21397

約数の個数: 16

約数和(自身を含む): 364262400

約数和(自身を除く): 162108310

約数列:

[1, 2, 5, 10, 991, 1982, 4955, 9910, 20399, 40798, 101995, 203990, 20215409, 40430818, 101077045, 202154090]

約数ペア:

[(1, 202154090), (2, 101077045), (5, 40430818), (10, 20215409), (991, 203990), (1982, 101995), (4955, 40798), (9910, 20399)]