20107503

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1931}}^1$

素因数の和:2039

約数の個数: 24

約数和(自身を含む): 31646160

約数和(自身を除く): 11538657

約数列:

[1, 3, 9, 13, 39, 89, 117, 267, 801, 1157, 1931, 3471, 5793, 10413, 17379, 25103, 75309, 171859, 225927, 515577, 1546731, 2234167, 6702501, 20107503]

約数ペア:

[(1, 20107503), (3, 6702501), (9, 2234167), (13, 1546731), (39, 515577), (89, 225927), (117, 171859), (267, 75309), (801, 25103), (1157, 17379), (1931, 10413), (3471, 5793)]