20309337685

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2887}}^1\times {\mathrm{15461}}^1$

素因数の和:18373

約数の個数: 32

約数和(自身を含む): 30007660032

約数和(自身を除く): 9698322347

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 2887, 14435, 15461, 20209, 37531, 77305, 101045, 108227, 187655, 200993, 262717, 541135, 1004965, 1313585, 1406951, 7034755, 44635907, 223179535, 312451349, 580266791, 1562256745, 2901333955, 4061867537, 20309337685]

約数ペア:

[(1, 20309337685), (5, 4061867537), (7, 2901333955), (13, 1562256745), (35, 580266791), (65, 312451349), (91, 223179535), (455, 44635907), (2887, 7034755), (14435, 1406951), (15461, 1313585), (20209, 1004965), (37531, 541135), (77305, 262717), (101045, 200993), (108227, 187655)]