20157076

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{1381}}^1$

素因数の和:1515

約数の個数: 24

約数和(自身を含む): 36567720

約数和(自身を除く): 16410644

約数列:

[1, 2, 4, 41, 82, 89, 164, 178, 356, 1381, 2762, 3649, 5524, 7298, 14596, 56621, 113242, 122909, 226484, 245818, 491636, 5039269, 10078538, 20157076]

約数ペア:

[(1, 20157076), (2, 10078538), (4, 5039269), (41, 491636), (82, 245818), (89, 226484), (164, 122909), (178, 113242), (356, 56621), (1381, 14596), (2762, 7298), (3649, 5524)]