20940190

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{2179}}^1$

素因数の和:2248

約数の個数: 24

約数和(自身を含む): 38965320

約数和(自身を除く): 18025130

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 961, 1922, 2179, 4358, 4805, 9610, 10895, 21790, 67549, 135098, 337745, 675490, 2094019, 4188038, 10470095, 20940190]

約数ペア:

[(1, 20940190), (2, 10470095), (5, 4188038), (10, 2094019), (31, 675490), (62, 337745), (155, 135098), (310, 67549), (961, 21790), (1922, 10895), (2179, 9610), (4358, 4805)]