20113587

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{487}}^1$

素因数の和:859

約数の個数: 24

約数和(自身を含む): 31440864

約数和(自身を除く): 11327277

約数列:

[1, 3, 9, 13, 39, 117, 353, 487, 1059, 1461, 3177, 4383, 4589, 6331, 13767, 18993, 41301, 56979, 171911, 515733, 1547199, 2234843, 6704529, 20113587]

約数ペア:

[(1, 20113587), (3, 6704529), (9, 2234843), (13, 1547199), (39, 515733), (117, 171911), (353, 56979), (487, 41301), (1059, 18993), (1461, 13767), (3177, 6331), (4383, 4589)]