20132981

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:233

約数の個数: 32

約数和(自身を含む): 25214976

約数和(自身を除く): 5081995

約数列:

[1, 11, 17, 23, 31, 151, 187, 253, 341, 391, 527, 713, 1661, 2567, 3473, 4301, 4681, 5797, 7843, 12121, 28237, 38203, 51491, 59041, 79577, 107663, 133331, 649451, 875347, 1184293, 1830271, 20132981]

約数ペア:

[(1, 20132981), (11, 1830271), (17, 1184293), (23, 875347), (31, 649451), (151, 133331), (187, 107663), (253, 79577), (341, 59041), (391, 51491), (527, 38203), (713, 28237), (1661, 12121), (2567, 7843), (3473, 5797), (4301, 4681)]