20960508765

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{4073957}}^1$

素因数の和:4073986

約数の個数: 32

約数和(自身を含む): 39109996800

約数和(自身を除く): 18149488035

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 343, 735, 1029, 1715, 5145, 4073957, 12221871, 20369785, 28517699, 61109355, 85553097, 142588495, 199623893, 427765485, 598871679, 998119465, 1397367251, 2994358395, 4192101753, 6986836255, 20960508765]

約数ペア:

[(1, 20960508765), (3, 6986836255), (5, 4192101753), (7, 2994358395), (15, 1397367251), (21, 998119465), (35, 598871679), (49, 427765485), (105, 199623893), (147, 142588495), (245, 85553097), (343, 61109355), (735, 28517699), (1029, 20369785), (1715, 12221871), (5145, 4073957)]