20111689

素因数分解:

${\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{389}}^1$

素因数の和:540

約数の個数: 16

約数和(自身を含む): 22473360

約数和(自身を除く): 2361671

約数列:

[1, 13, 41, 97, 389, 533, 1261, 3977, 5057, 15949, 37733, 51701, 207337, 490529, 1547053, 20111689]

約数ペア:

[(1, 20111689), (13, 1547053), (41, 490529), (97, 207337), (389, 51701), (533, 37733), (1261, 15949), (3977, 5057)]