16418620

素因数分解:

$2^2\times 5^1\times {\mathrm{631}}^1\times {\mathrm{1301}}^1$

素因数の和:1941

約数の個数: 24

約数和(自身を含む): 34560288

約数和(自身を除く): 18141668

約数列:

[1, 2, 4, 5, 10, 20, 631, 1262, 1301, 2524, 2602, 3155, 5204, 6310, 6505, 12620, 13010, 26020, 820931, 1641862, 3283724, 4104655, 8209310, 16418620]

約数ペア:

[(1, 16418620), (2, 8209310), (4, 4104655), (5, 3283724), (10, 1641862), (20, 820931), (631, 26020), (1262, 13010), (1301, 12620), (2524, 6505), (2602, 6310), (3155, 5204)]