20428818

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{1039}}^1$

素因数の和:1186

約数の個数: 32

約数和(自身を含む): 42681600

約数和(自身を除く): 22252782

約数列:

[1, 2, 3, 6, 29, 58, 87, 113, 174, 226, 339, 678, 1039, 2078, 3117, 3277, 6234, 6554, 9831, 19662, 30131, 60262, 90393, 117407, 180786, 234814, 352221, 704442, 3404803, 6809606, 10214409, 20428818]

約数ペア:

[(1, 20428818), (2, 10214409), (3, 6809606), (6, 3404803), (29, 704442), (58, 352221), (87, 234814), (113, 180786), (174, 117407), (226, 90393), (339, 60262), (678, 30131), (1039, 19662), (2078, 9831), (3117, 6554), (3277, 6234)]