20671908

素因数分解:

$2^2\times 3^1\times {\mathrm{53}}^1\times {\mathrm{32503}}^1$

素因数の和:32563

約数の個数: 24

約数和(自身を含む): 49146048

約数和(自身を除く): 28474140

約数列:

[1, 2, 3, 4, 6, 12, 53, 106, 159, 212, 318, 636, 32503, 65006, 97509, 130012, 195018, 390036, 1722659, 3445318, 5167977, 6890636, 10335954, 20671908]

約数ペア:

[(1, 20671908), (2, 10335954), (3, 6890636), (4, 5167977), (6, 3445318), (12, 1722659), (53, 390036), (106, 195018), (159, 130012), (212, 97509), (318, 65006), (636, 32503)]