20371527

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{607}}^1$

素因数の和:740

約数の個数: 32

約数和(自身を含む): 33269760

約数和(自身を除く): 12898233

約数列:

[1, 3, 9, 11, 27, 33, 99, 113, 297, 339, 607, 1017, 1243, 1821, 3051, 3729, 5463, 6677, 11187, 16389, 20031, 33561, 60093, 68591, 180279, 205773, 617319, 754501, 1851957, 2263503, 6790509, 20371527]

約数ペア:

[(1, 20371527), (3, 6790509), (9, 2263503), (11, 1851957), (27, 754501), (33, 617319), (99, 205773), (113, 180279), (297, 68591), (339, 60093), (607, 33561), (1017, 20031), (1243, 16389), (1821, 11187), (3051, 6677), (3729, 5463)]