222162020

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{27701}}^1$

素因数の和:28111

約数の個数: 24

約数和(自身を含む): 467720568

約数和(自身を除く): 245558548

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1604, 2005, 4010, 8020, 27701, 55402, 110804, 138505, 277010, 554020, 11108101, 22216202, 44432404, 55540505, 111081010, 222162020]

約数ペア:

[(1, 222162020), (2, 111081010), (4, 55540505), (5, 44432404), (10, 22216202), (20, 11108101), (401, 554020), (802, 277010), (1604, 138505), (2005, 110804), (4010, 55402), (8020, 27701)]