20163087994

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1721}}^1\times {\mathrm{20411}}^1$

素因数の和:22182

約数の個数: 32

約数和(自身を含む): 35430659712

約数和(自身を除く): 15267571718

約数列:

[1, 2, 7, 14, 41, 82, 287, 574, 1721, 3442, 12047, 20411, 24094, 40822, 70561, 141122, 142877, 285754, 493927, 836851, 987854, 1673702, 5857957, 11715914, 35127331, 70254662, 245891317, 491782634, 1440220571, 2880441142, 10081543997, 20163087994]

約数ペア:

[(1, 20163087994), (2, 10081543997), (7, 2880441142), (14, 1440220571), (41, 491782634), (82, 245891317), (287, 70254662), (574, 35127331), (1721, 11715914), (3442, 5857957), (12047, 1673702), (20411, 987854), (24094, 836851), (40822, 493927), (70561, 285754), (141122, 142877)]