20118501

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{373}}^1\times {\mathrm{461}}^1$

素因数の和:853

約数の個数: 24

約数和(自身を含む): 31447416

約数和(自身を除く): 11328915

約数列:

[1, 3, 9, 13, 39, 117, 373, 461, 1119, 1383, 3357, 4149, 4849, 5993, 14547, 17979, 43641, 53937, 171953, 515859, 1547577, 2235389, 6706167, 20118501]

約数ペア:

[(1, 20118501), (3, 6706167), (9, 2235389), (13, 1547577), (39, 515859), (117, 171953), (373, 53937), (461, 43641), (1119, 17979), (1383, 14547), (3357, 5993), (4149, 4849)]