20672816

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{76003}}^1$

素因数の和:76028

約数の個数: 20

約数和(自身を含む): 42410232

約数和(自身を除く): 21737416

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 76003, 152006, 304012, 608024, 1216048, 1292051, 2584102, 5168204, 10336408, 20672816]

約数ペア:

[(1, 20672816), (2, 10336408), (4, 5168204), (8, 2584102), (16, 1292051), (17, 1216048), (34, 608024), (68, 304012), (136, 152006), (272, 76003)]