20824310

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{3907}}^1$

素因数の和:3968

約数の個数: 32

約数和(自身を含む): 41362272

約数和(自身を除く): 20537962

約数列:

[1, 2, 5, 10, 13, 26, 41, 65, 82, 130, 205, 410, 533, 1066, 2665, 3907, 5330, 7814, 19535, 39070, 50791, 101582, 160187, 253955, 320374, 507910, 800935, 1601870, 2082431, 4164862, 10412155, 20824310]

約数ペア:

[(1, 20824310), (2, 10412155), (5, 4164862), (10, 2082431), (13, 1601870), (26, 800935), (41, 507910), (65, 320374), (82, 253955), (130, 160187), (205, 101582), (410, 50791), (533, 39070), (1066, 19535), (2665, 7814), (3907, 5330)]