20500676

素因数分解:

$2^2\times 7^1\times {\mathrm{251}}^1\times {\mathrm{2917}}^1$

素因数の和:3179

約数の個数: 24

約数和(自身を含む): 41178816

約数和(自身を除く): 20678140

約数列:

[1, 2, 4, 7, 14, 28, 251, 502, 1004, 1757, 2917, 3514, 5834, 7028, 11668, 20419, 40838, 81676, 732167, 1464334, 2928668, 5125169, 10250338, 20500676]

約数ペア:

[(1, 20500676), (2, 10250338), (4, 5125169), (7, 2928668), (14, 1464334), (28, 732167), (251, 81676), (502, 40838), (1004, 20419), (1757, 11668), (2917, 7028), (3514, 5834)]