20297187

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{4093}}^1$

素因数の和:4147

約数の個数: 24

約数和(自身を含む): 31933200

約数和(自身を除く): 11636013

約数列:

[1, 3, 9, 19, 29, 57, 87, 171, 261, 551, 1653, 4093, 4959, 12279, 36837, 77767, 118697, 233301, 356091, 699903, 1068273, 2255243, 6765729, 20297187]

約数ペア:

[(1, 20297187), (3, 6765729), (9, 2255243), (19, 1068273), (29, 699903), (57, 356091), (87, 233301), (171, 118697), (261, 77767), (551, 36837), (1653, 12279), (4093, 4959)]