20545966

素因数分解:

$2^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{9719}}^1$

素因数の和:9879

約数の個数: 16

約数和(自身を含む): 35458560

約数和(自身を除く): 14912594

約数列:

[1, 2, 7, 14, 151, 302, 1057, 2114, 9719, 19438, 68033, 136066, 1467569, 2935138, 10272983, 20545966]

約数ペア:

[(1, 20545966), (2, 10272983), (7, 2935138), (14, 1467569), (151, 136066), (302, 68033), (1057, 19438), (2114, 9719)]