20459894

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1423}}^1$

素因数の和:1524

約数の個数: 32

約数和(自身を含む): 38277120

約数和(自身を除く): 17817226

約数列:

[1, 2, 7, 13, 14, 26, 79, 91, 158, 182, 553, 1027, 1106, 1423, 2054, 2846, 7189, 9961, 14378, 18499, 19922, 36998, 112417, 129493, 224834, 258986, 786919, 1461421, 1573838, 2922842, 10229947, 20459894]

約数ペア:

[(1, 20459894), (2, 10229947), (7, 2922842), (13, 1573838), (14, 1461421), (26, 786919), (79, 258986), (91, 224834), (158, 129493), (182, 112417), (553, 36998), (1027, 19922), (1106, 18499), (1423, 14378), (2054, 9961), (2846, 7189)]