20514310

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{557}}^1$

素因数の和:720

約数の個数: 32

約数和(自身を含む): 38568960

約数和(自身を除く): 18054650

約数列:

[1, 2, 5, 10, 29, 58, 127, 145, 254, 290, 557, 635, 1114, 1270, 2785, 3683, 5570, 7366, 16153, 18415, 32306, 36830, 70739, 80765, 141478, 161530, 353695, 707390, 2051431, 4102862, 10257155, 20514310]

約数ペア:

[(1, 20514310), (2, 10257155), (5, 4102862), (10, 2051431), (29, 707390), (58, 353695), (127, 161530), (145, 141478), (254, 80765), (290, 70739), (557, 36830), (635, 32306), (1114, 18415), (1270, 16153), (2785, 7366), (3683, 5570)]