20706854

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{601}}^1$

素因数の和:740

約数の個数: 32

約数和(自身を含む): 37449216

約数和(自身を除く): 16742362

約数列:

[1, 2, 7, 14, 23, 46, 107, 161, 214, 322, 601, 749, 1202, 1498, 2461, 4207, 4922, 8414, 13823, 17227, 27646, 34454, 64307, 96761, 128614, 193522, 450149, 900298, 1479061, 2958122, 10353427, 20706854]

約数ペア:

[(1, 20706854), (2, 10353427), (7, 2958122), (14, 1479061), (23, 900298), (46, 450149), (107, 193522), (161, 128614), (214, 96761), (322, 64307), (601, 34454), (749, 27646), (1202, 17227), (1498, 13823), (2461, 8414), (4207, 4922)]