20275138

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1$

素因数の和:298

約数の個数: 32

約数和(自身を含む): 33860736

約数和(自身を除く): 13585598

約数列:

[1, 2, 13, 26, 67, 103, 113, 134, 206, 226, 871, 1339, 1469, 1742, 2678, 2938, 6901, 7571, 11639, 13802, 15142, 23278, 89713, 98423, 151307, 179426, 196846, 302614, 779813, 1559626, 10137569, 20275138]

約数ペア:

[(1, 20275138), (2, 10137569), (13, 1559626), (26, 779813), (67, 302614), (103, 196846), (113, 179426), (134, 151307), (206, 98423), (226, 89713), (871, 23278), (1339, 15142), (1469, 13802), (1742, 11639), (2678, 7571), (2938, 6901)]