211320220

素因数分解:

$2^2\times 5^1\times {\mathrm{1019}}^1\times {\mathrm{10369}}^1$

素因数の和:11397

約数の個数: 24

約数和(自身を含む): 444250800

約数和(自身を除く): 232930580

約数列:

[1, 2, 4, 5, 10, 20, 1019, 2038, 4076, 5095, 10190, 10369, 20380, 20738, 41476, 51845, 103690, 207380, 10566011, 21132022, 42264044, 52830055, 105660110, 211320220]

約数ペア:

[(1, 211320220), (2, 105660110), (4, 52830055), (5, 42264044), (10, 21132022), (20, 10566011), (1019, 207380), (2038, 103690), (4076, 51845), (5095, 41476), (10190, 20738), (10369, 20380)]