20470485

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{27851}}^1$

素因数の和:27873

約数の個数: 24

約数和(自身を含む): 38101536

約数和(自身を除く): 17631051

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 27851, 83553, 139255, 194957, 417765, 584871, 974785, 1364699, 2924355, 4094097, 6823495, 20470485]

約数ペア:

[(1, 20470485), (3, 6823495), (5, 4094097), (7, 2924355), (15, 1364699), (21, 974785), (35, 584871), (49, 417765), (105, 194957), (147, 139255), (245, 83553), (735, 27851)]