20918808

素因数分解:

$2^3\times 3^2\times {\mathrm{290539}}^1$

素因数の和:290551

約数の個数: 24

約数和(自身を含む): 56655300

約数和(自身を除く): 35736492

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 290539, 581078, 871617, 1162156, 1743234, 2324312, 2614851, 3486468, 5229702, 6972936, 10459404, 20918808]

約数ペア:

[(1, 20918808), (2, 10459404), (3, 6972936), (4, 5229702), (6, 3486468), (8, 2614851), (9, 2324312), (12, 1743234), (18, 1162156), (24, 871617), (36, 581078), (72, 290539)]