20366560

素因数分解:

$2^5\times 5^1\times {\mathrm{127291}}^1$

素因数の和:127306

約数の個数: 24

約数和(自身を含む): 48116376

約数和(自身を除く): 27749816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 127291, 254582, 509164, 636455, 1018328, 1272910, 2036656, 2545820, 4073312, 5091640, 10183280, 20366560]

約数ペア:

[(1, 20366560), (2, 10183280), (4, 5091640), (5, 4073312), (8, 2545820), (10, 2036656), (16, 1272910), (20, 1018328), (32, 636455), (40, 509164), (80, 254582), (160, 127291)]