20050816

素因数分解:

$2^7\times {\mathrm{383}}^1\times {\mathrm{409}}^1$

素因数の和:806

約数の個数: 32

約数和(自身を含む): 40147200

約数和(自身を除く): 20096384

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 383, 409, 766, 818, 1532, 1636, 3064, 3272, 6128, 6544, 12256, 13088, 24512, 26176, 49024, 52352, 156647, 313294, 626588, 1253176, 2506352, 5012704, 10025408, 20050816]

約数ペア:

[(1, 20050816), (2, 10025408), (4, 5012704), (8, 2506352), (16, 1253176), (32, 626588), (64, 313294), (128, 156647), (383, 52352), (409, 49024), (766, 26176), (818, 24512), (1532, 13088), (1636, 12256), (3064, 6544), (3272, 6128)]