20323210

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{4969}}^1$

素因数の和:5385

約数の個数: 16

約数和(自身を含む): 36678600

約数和(自身を除く): 16355390

約数列:

[1, 2, 5, 10, 409, 818, 2045, 4090, 4969, 9938, 24845, 49690, 2032321, 4064642, 10161605, 20323210]

約数ペア:

[(1, 20323210), (2, 10161605), (5, 4064642), (10, 2032321), (409, 49690), (818, 24845), (2045, 9938), (4090, 4969)]