20082855

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{569}}^1$

素因数の和:771

約数の個数: 32

約数和(自身を含む): 34856640

約数和(自身を除く): 14773785

約数列:

[1, 3, 5, 13, 15, 39, 65, 181, 195, 543, 569, 905, 1707, 2353, 2715, 2845, 7059, 7397, 8535, 11765, 22191, 35295, 36985, 102989, 110955, 308967, 514945, 1338857, 1544835, 4016571, 6694285, 20082855]

約数ペア:

[(1, 20082855), (3, 6694285), (5, 4016571), (13, 1544835), (15, 1338857), (39, 514945), (65, 308967), (181, 110955), (195, 102989), (543, 36985), (569, 35295), (905, 22191), (1707, 11765), (2353, 8535), (2715, 7397), (2845, 7059)]