20614670

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1907}}^1$

素因数の和:1984

約数の個数: 32

約数和(自身を含む): 39564288

約数和(自身を除く): 18949618

約数列:

[1, 2, 5, 10, 23, 46, 47, 94, 115, 230, 235, 470, 1081, 1907, 2162, 3814, 5405, 9535, 10810, 19070, 43861, 87722, 89629, 179258, 219305, 438610, 448145, 896290, 2061467, 4122934, 10307335, 20614670]

約数ペア:

[(1, 20614670), (2, 10307335), (5, 4122934), (10, 2061467), (23, 896290), (46, 448145), (47, 438610), (94, 219305), (115, 179258), (230, 89629), (235, 87722), (470, 43861), (1081, 19070), (1907, 10810), (2162, 9535), (3814, 5405)]