20280954858

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{1213}}^1\times {\mathrm{121157}}^1$

素因数の和:122398

約数の個数: 32

約数和(自身を含む): 42360713856

約数和(自身を除く): 22079758998

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 1213, 2426, 3639, 7278, 27899, 55798, 83697, 121157, 167394, 242314, 363471, 726942, 2786611, 5573222, 8359833, 16719666, 146963441, 293926882, 440890323, 881780646, 3380159143, 6760318286, 10140477429, 20280954858]

約数ペア:

[(1, 20280954858), (2, 10140477429), (3, 6760318286), (6, 3380159143), (23, 881780646), (46, 440890323), (69, 293926882), (138, 146963441), (1213, 16719666), (2426, 8359833), (3639, 5573222), (7278, 2786611), (27899, 726942), (55798, 363471), (83697, 242314), (121157, 167394)]