20804916

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{569}}^1$

素因数の和:864

約数の個数: 48

約数和(自身を含む): 53242560

約数和(自身を除く): 32437644

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 277, 554, 569, 831, 1108, 1138, 1662, 1707, 2276, 3047, 3324, 3414, 6094, 6259, 6828, 9141, 12188, 12518, 18282, 18777, 25036, 36564, 37554, 75108, 157613, 315226, 472839, 630452, 945678, 1733743, 1891356, 3467486, 5201229, 6934972, 10402458, 20804916]

約数ペア:

[(1, 20804916), (2, 10402458), (3, 6934972), (4, 5201229), (6, 3467486), (11, 1891356), (12, 1733743), (22, 945678), (33, 630452), (44, 472839), (66, 315226), (132, 157613), (277, 75108), (554, 37554), (569, 36564), (831, 25036), (1108, 18777), (1138, 18282), (1662, 12518), (1707, 12188), (2276, 9141), (3047, 6828), (3324, 6259), (3414, 6094)]