20591043

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^2\times {\mathrm{139}}^1$

素因数の和:287

約数の個数: 24

約数和(自身を含む): 30623040

約数和(自身を除く): 10031997

約数列:

[1, 3, 11, 33, 67, 139, 201, 417, 737, 1529, 2211, 4489, 4587, 9313, 13467, 27939, 49379, 102443, 148137, 307329, 623971, 1871913, 6863681, 20591043]

約数ペア:

[(1, 20591043), (3, 6863681), (11, 1871913), (33, 623971), (67, 307329), (139, 148137), (201, 102443), (417, 49379), (737, 27939), (1529, 13467), (2211, 9313), (4489, 4587)]