22639420

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{8641}}^1$

素因数の和:8781

約数の個数: 24

約数和(自身を含む): 47911248

約数和(自身を除く): 25271828

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 8641, 17282, 34564, 43205, 86410, 172820, 1131971, 2263942, 4527884, 5659855, 11319710, 22639420]

約数ペア:

[(1, 22639420), (2, 11319710), (4, 5659855), (5, 4527884), (10, 2263942), (20, 1131971), (131, 172820), (262, 86410), (524, 43205), (655, 34564), (1310, 17282), (2620, 8641)]