20839077

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{4937}}^1$

素因数の和:5017

約数の個数: 24

約数和(自身を含む): 34921536

約数和(自身を除く): 14082459

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 469, 603, 1407, 4221, 4937, 14811, 34559, 44433, 103677, 311031, 330779, 992337, 2315453, 2977011, 6946359, 20839077]

約数ペア:

[(1, 20839077), (3, 6946359), (7, 2977011), (9, 2315453), (21, 992337), (63, 330779), (67, 311031), (201, 103677), (469, 44433), (603, 34559), (1407, 14811), (4221, 4937)]