20195331

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{653}}^1$

素因数の和:743

約数の個数: 24

約数和(自身を含む): 29681136

約数和(自身を除く): 9485805

約数列:

[1, 3, 13, 39, 61, 169, 183, 507, 653, 793, 1959, 2379, 8489, 10309, 25467, 30927, 39833, 110357, 119499, 331071, 517829, 1553487, 6731777, 20195331]

約数ペア:

[(1, 20195331), (3, 6731777), (13, 1553487), (39, 517829), (61, 331071), (169, 119499), (183, 110357), (507, 39833), (653, 30927), (793, 25467), (1959, 10309), (2379, 8489)]