20021950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{30803}}^1$

素因数の和:30828

約数の個数: 24

約数和(自身を含む): 40106808

約数和(自身を除く): 20084858

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 30803, 61606, 154015, 308030, 400439, 770075, 800878, 1540150, 2002195, 4004390, 10010975, 20021950]

約数ペア:

[(1, 20021950), (2, 10010975), (5, 4004390), (10, 2002195), (13, 1540150), (25, 800878), (26, 770075), (50, 400439), (65, 308030), (130, 154015), (325, 61606), (650, 30803)]