20938654870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{18143}}^1\times {\mathrm{16487}}^1$

素因数の和:34644

約数の個数: 32

約数和(自身を含む): 43078791168

約数和(自身を除く): 22140136298

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 16487, 18143, 32974, 36286, 82435, 90715, 115409, 127001, 164870, 181430, 230818, 254002, 577045, 635005, 1154090, 1270010, 299123641, 598247282, 1495618205, 2093865487, 2991236410, 4187730974, 10469327435, 20938654870]

約数ペア:

[(1, 20938654870), (2, 10469327435), (5, 4187730974), (7, 2991236410), (10, 2093865487), (14, 1495618205), (35, 598247282), (70, 299123641), (16487, 1270010), (18143, 1154090), (32974, 635005), (36286, 577045), (82435, 254002), (90715, 230818), (115409, 181430), (127001, 164870)]