20156217842

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{421}}^1\times {\mathrm{303019}}^1$

素因数の和:303521

約数の個数: 16

約数和(自身を含む): 30689865600

約数和(自身を除く): 10533647758

約数列:

[1, 2, 79, 158, 421, 842, 33259, 66518, 303019, 606038, 23938501, 47877002, 127570999, 255141998, 10078108921, 20156217842]

約数ペア:

[(1, 20156217842), (2, 10078108921), (79, 255141998), (158, 127570999), (421, 47877002), (842, 23938501), (33259, 606038), (66518, 303019)]