20775950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31963}}^1$

素因数の和:31988

約数の個数: 24

約数和(自身を含む): 41617128

約数和(自身を除く): 20841178

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 31963, 63926, 159815, 319630, 415519, 799075, 831038, 1598150, 2077595, 4155190, 10387975, 20775950]

約数ペア:

[(1, 20775950), (2, 10387975), (5, 4155190), (10, 2077595), (13, 1598150), (25, 831038), (26, 799075), (50, 415519), (65, 319630), (130, 159815), (325, 63926), (650, 31963)]