20146990

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{49139}}^1$

素因数の和:49187

約数の個数: 16

約数和(自身を含む): 37149840

約数和(自身を除く): 17002850

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 49139, 98278, 245695, 491390, 2014699, 4029398, 10073495, 20146990]

約数ペア:

[(1, 20146990), (2, 10073495), (5, 4029398), (10, 2014699), (41, 491390), (82, 245695), (205, 98278), (410, 49139)]