20899511

素因数分解:

${\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{311}}^1$

素因数の和:454

約数の個数: 16

約数和(自身を含む): 22913280

約数和(自身を除く): 2013769

約数列:

[1, 17, 59, 67, 311, 1003, 1139, 3953, 5287, 18349, 20837, 67201, 311933, 354229, 1229383, 20899511]

約数ペア:

[(1, 20899511), (17, 1229383), (59, 354229), (67, 311933), (311, 67201), (1003, 20837), (1139, 18349), (3953, 5287)]