20170864557

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{853}}^1\times {\mathrm{55903}}^1$

素因数の和:56809

約数の個数: 24

約数和(自身を含む): 29791017984

約数和(自身を除く): 9620153427

約数列:

[1, 3, 9, 47, 141, 423, 853, 2559, 7677, 40091, 55903, 120273, 167709, 360819, 503127, 2627441, 7882323, 23646969, 47685259, 143055777, 429167331, 2241207173, 6723621519, 20170864557]

約数ペア:

[(1, 20170864557), (3, 6723621519), (9, 2241207173), (47, 429167331), (141, 143055777), (423, 47685259), (853, 23646969), (2559, 7882323), (7677, 2627441), (40091, 503127), (55903, 360819), (120273, 167709)]