20828085

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{683}}^1$

素因数の和:817

約数の個数: 32

約数和(自身を含む): 35458560

約数和(自身を除く): 14630475

約数列:

[1, 3, 5, 15, 19, 57, 95, 107, 285, 321, 535, 683, 1605, 2033, 2049, 3415, 6099, 10165, 10245, 12977, 30495, 38931, 64885, 73081, 194655, 219243, 365405, 1096215, 1388539, 4165617, 6942695, 20828085]

約数ペア:

[(1, 20828085), (3, 6942695), (5, 4165617), (15, 1388539), (19, 1096215), (57, 365405), (95, 219243), (107, 194655), (285, 73081), (321, 64885), (535, 38931), (683, 30495), (1605, 12977), (2033, 10245), (2049, 10165), (3415, 6099)]