20653479

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29803}}^1$

素因数の和:29827

約数の個数: 24

約数和(自身を含む): 37195392

約数和(自身を除く): 16541913

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 29803, 89409, 208621, 268227, 327833, 625863, 983499, 1877589, 2294831, 2950497, 6884493, 20653479]

約数ペア:

[(1, 20653479), (3, 6884493), (7, 2950497), (9, 2294831), (11, 1877589), (21, 983499), (33, 625863), (63, 327833), (77, 268227), (99, 208621), (231, 89409), (693, 29803)]