4490420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20411}}^1$

素因数の和:20431

約数の個数: 24

約数和(自身を含む): 10287648

約数和(自身を除く): 5797228

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 20411, 40822, 81644, 102055, 204110, 224521, 408220, 449042, 898084, 1122605, 2245210, 4490420]

約数ペア:

[(1, 4490420), (2, 2245210), (4, 1122605), (5, 898084), (10, 449042), (11, 408220), (20, 224521), (22, 204110), (44, 102055), (55, 81644), (110, 40822), (220, 20411)]