20706675

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1321}}^1$

素因数の和:1364

約数の個数: 48

約数和(自身を含む): 39342720

約数和(自身を除く): 18636045

約数列:

[1, 3, 5, 11, 15, 19, 25, 33, 55, 57, 75, 95, 165, 209, 275, 285, 475, 627, 825, 1045, 1321, 1425, 3135, 3963, 5225, 6605, 14531, 15675, 19815, 25099, 33025, 43593, 72655, 75297, 99075, 125495, 217965, 276089, 363275, 376485, 627475, 828267, 1089825, 1380445, 1882425, 4141335, 6902225, 20706675]

約数ペア:

[(1, 20706675), (3, 6902225), (5, 4141335), (11, 1882425), (15, 1380445), (19, 1089825), (25, 828267), (33, 627475), (55, 376485), (57, 363275), (75, 276089), (95, 217965), (165, 125495), (209, 99075), (275, 75297), (285, 72655), (475, 43593), (627, 33025), (825, 25099), (1045, 19815), (1321, 15675), (1425, 14531), (3135, 6605), (3963, 5225)]