20501901

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{14149}}^1$

素因数の和:14185

約数の個数: 24

約数和(自身を含む): 35318400

約数和(自身を除く): 14816499

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 14149, 42447, 99043, 127341, 297129, 325427, 891387, 976281, 2277989, 2928843, 6833967, 20501901]

約数ペア:

[(1, 20501901), (3, 6833967), (7, 2928843), (9, 2277989), (21, 976281), (23, 891387), (63, 325427), (69, 297129), (161, 127341), (207, 99043), (483, 42447), (1449, 14149)]