20459901

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{12653}}^1$

素因数の和:12681

約数の個数: 24

約数和(自身を含む): 34621344

約数和(自身を除く): 14161443

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 12653, 37959, 88571, 139183, 265713, 417549, 619997, 974281, 1859991, 2922843, 6819967, 20459901]

約数ペア:

[(1, 20459901), (3, 6819967), (7, 2922843), (11, 1859991), (21, 974281), (33, 619997), (49, 417549), (77, 265713), (147, 139183), (231, 88571), (539, 37959), (1617, 12653)]