20178698890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{830741}}^1$

素因数の和:831102

約数の個数: 32

約数和(自身を含む): 41630143104

約数和(自身を除く): 21451444214

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 347, 694, 1735, 2429, 3470, 4858, 12145, 24290, 830741, 1661482, 4153705, 5815187, 8307410, 11630374, 29075935, 58151870, 288267127, 576534254, 1441335635, 2017869889, 2882671270, 4035739778, 10089349445, 20178698890]

約数ペア:

[(1, 20178698890), (2, 10089349445), (5, 4035739778), (7, 2882671270), (10, 2017869889), (14, 1441335635), (35, 576534254), (70, 288267127), (347, 58151870), (694, 29075935), (1735, 11630374), (2429, 8307410), (3470, 5815187), (4858, 4153705), (12145, 1661482), (24290, 830741)]