20803454

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{53}}^2$

素因数の和:161

約数の個数: 36

約数和(自身を含む): 37997736

約数和(自身を除く): 17194282

約数列:

[1, 2, 7, 14, 23, 46, 53, 106, 161, 322, 371, 529, 742, 1058, 1219, 2438, 2809, 3703, 5618, 7406, 8533, 17066, 19663, 28037, 39326, 56074, 64607, 129214, 196259, 392518, 452249, 904498, 1485961, 2971922, 10401727, 20803454]

約数ペア:

[(1, 20803454), (2, 10401727), (7, 2971922), (14, 1485961), (23, 904498), (46, 452249), (53, 392518), (106, 196259), (161, 129214), (322, 64607), (371, 56074), (529, 39326), (742, 28037), (1058, 19663), (1219, 17066), (2438, 8533), (2809, 7406), (3703, 5618)]