20394530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{2659}}^1$

素因数の和:2738

約数の個数: 32

約数和(自身を含む): 40219200

約数和(自身を除く): 19824670

約数列:

[1, 2, 5, 10, 13, 26, 59, 65, 118, 130, 295, 590, 767, 1534, 2659, 3835, 5318, 7670, 13295, 26590, 34567, 69134, 156881, 172835, 313762, 345670, 784405, 1568810, 2039453, 4078906, 10197265, 20394530]

約数ペア:

[(1, 20394530), (2, 10197265), (5, 4078906), (10, 2039453), (13, 1568810), (26, 784405), (59, 345670), (65, 313762), (118, 172835), (130, 156881), (295, 69134), (590, 34567), (767, 26590), (1534, 13295), (2659, 7670), (3835, 5318)]