20973258

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{16411}}^1$

素因数の和:16490

約数の個数: 24

約数和(自身を含む): 46084896

約数和(自身を除く): 25111638

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 16411, 32822, 49233, 98466, 147699, 295398, 1165181, 2330362, 3495543, 6991086, 10486629, 20973258]

約数ペア:

[(1, 20973258), (2, 10486629), (3, 6991086), (6, 3495543), (9, 2330362), (18, 1165181), (71, 295398), (142, 147699), (213, 98466), (426, 49233), (639, 32822), (1278, 16411)]