201823780

素因数分解:

$2^2\times 5^1\times {\mathrm{1787}}^1\times {\mathrm{5647}}^1$

素因数の和:7443

約数の個数: 24

約数和(自身を含む): 424142208

約数和(自身を除く): 222318428

約数列:

[1, 2, 4, 5, 10, 20, 1787, 3574, 5647, 7148, 8935, 11294, 17870, 22588, 28235, 35740, 56470, 112940, 10091189, 20182378, 40364756, 50455945, 100911890, 201823780]

約数ペア:

[(1, 201823780), (2, 100911890), (4, 50455945), (5, 40364756), (10, 20182378), (20, 10091189), (1787, 112940), (3574, 56470), (5647, 35740), (7148, 28235), (8935, 22588), (11294, 17870)]