16648820

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{5107}}^1$

素因数の和:5279

約数の個数: 24

約数和(自身を含む): 35183904

約数和(自身を除く): 18535084

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 5107, 10214, 20428, 25535, 51070, 102140, 832441, 1664882, 3329764, 4162205, 8324410, 16648820]

約数ペア:

[(1, 16648820), (2, 8324410), (4, 4162205), (5, 3329764), (10, 1664882), (20, 832441), (163, 102140), (326, 51070), (652, 25535), (815, 20428), (1630, 10214), (3260, 5107)]