15720716

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{21017}}^1$

素因数の和:21049

約数の個数: 24

約数和(自身を含む): 31779216

約数和(自身を除く): 16058500

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 187, 374, 748, 21017, 42034, 84068, 231187, 357289, 462374, 714578, 924748, 1429156, 3930179, 7860358, 15720716]

約数ペア:

[(1, 15720716), (2, 7860358), (4, 3930179), (11, 1429156), (17, 924748), (22, 714578), (34, 462374), (44, 357289), (68, 231187), (187, 84068), (374, 42034), (748, 21017)]