20654048

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{37967}}^1$

素因数の和:37994

約数の個数: 24

約数和(自身を含む): 43055712

約数和(自身を除く): 22401664

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 37967, 75934, 151868, 303736, 607472, 645439, 1214944, 1290878, 2581756, 5163512, 10327024, 20654048]

約数ペア:

[(1, 20654048), (2, 10327024), (4, 5163512), (8, 2581756), (16, 1290878), (17, 1214944), (32, 645439), (34, 607472), (68, 303736), (136, 151868), (272, 75934), (544, 37967)]