17438420

素因数分解:

$2^2\times 5^1\times {\mathrm{887}}^1\times {\mathrm{983}}^1$

素因数の和:1879

約数の個数: 24

約数和(自身を含む): 36699264

約数和(自身を除く): 19260844

約数列:

[1, 2, 4, 5, 10, 20, 887, 983, 1774, 1966, 3548, 3932, 4435, 4915, 8870, 9830, 17740, 19660, 871921, 1743842, 3487684, 4359605, 8719210, 17438420]

約数ペア:

[(1, 17438420), (2, 8719210), (4, 4359605), (5, 3487684), (10, 1743842), (20, 871921), (887, 19660), (983, 17740), (1774, 9830), (1966, 8870), (3548, 4915), (3932, 4435)]