20198664

素因数分解:

$2^3\times 3^2\times {\mathrm{280537}}^1$

素因数の和:280549

約数の個数: 24

約数和(自身を含む): 54704910

約数和(自身を除く): 34506246

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 280537, 561074, 841611, 1122148, 1683222, 2244296, 2524833, 3366444, 5049666, 6732888, 10099332, 20198664]

約数ペア:

[(1, 20198664), (2, 10099332), (3, 6732888), (4, 5049666), (6, 3366444), (8, 2524833), (9, 2244296), (12, 1683222), (18, 1122148), (24, 841611), (36, 561074), (72, 280537)]