20779661

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{4259}}^1$

素因数の和:4324

約数の個数: 16

約数和(自身を含む): 25764480

約数和(自身を除く): 4984819

約数列:

[1, 7, 17, 41, 119, 287, 697, 4259, 4879, 29813, 72403, 174619, 506821, 1222333, 2968523, 20779661]

約数ペア:

[(1, 20779661), (7, 2968523), (17, 1222333), (41, 506821), (119, 174619), (287, 72403), (697, 29813), (4259, 4879)]