20596570

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2521}}^1$

素因数の和:2590

約数の個数: 32

約数和(自身を含む): 39948480

約数和(自身を除く): 19351910

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 190, 215, 430, 817, 1634, 2521, 4085, 5042, 8170, 12605, 25210, 47899, 95798, 108403, 216806, 239495, 478990, 542015, 1084030, 2059657, 4119314, 10298285, 20596570]

約数ペア:

[(1, 20596570), (2, 10298285), (5, 4119314), (10, 2059657), (19, 1084030), (38, 542015), (43, 478990), (86, 239495), (95, 216806), (190, 108403), (215, 95798), (430, 47899), (817, 25210), (1634, 12605), (2521, 8170), (4085, 5042)]