17287940

素因数分解:

$2^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{2063}}^1$

素因数の和:2491

約数の個数: 24

約数和(自身を含む): 36408960

約数和(自身を除く): 19121020

約数列:

[1, 2, 4, 5, 10, 20, 419, 838, 1676, 2063, 2095, 4126, 4190, 8252, 8380, 10315, 20630, 41260, 864397, 1728794, 3457588, 4321985, 8643970, 17287940]

約数ペア:

[(1, 17287940), (2, 8643970), (4, 4321985), (5, 3457588), (10, 1728794), (20, 864397), (419, 41260), (838, 20630), (1676, 10315), (2063, 8380), (2095, 8252), (4126, 4190)]