20423403

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2267}}^1$

素因数の和:2304

約数の個数: 48

約数和(自身を含む): 39626496

約数和(自身を除く): 19203093

約数列:

[1, 3, 7, 9, 11, 13, 21, 33, 39, 63, 77, 91, 99, 117, 143, 231, 273, 429, 693, 819, 1001, 1287, 2267, 3003, 6801, 9009, 15869, 20403, 24937, 29471, 47607, 74811, 88413, 142821, 174559, 206297, 224433, 265239, 324181, 523677, 618891, 972543, 1571031, 1856673, 2269267, 2917629, 6807801, 20423403]

約数ペア:

[(1, 20423403), (3, 6807801), (7, 2917629), (9, 2269267), (11, 1856673), (13, 1571031), (21, 972543), (33, 618891), (39, 523677), (63, 324181), (77, 265239), (91, 224433), (99, 206297), (117, 174559), (143, 142821), (231, 88413), (273, 74811), (429, 47607), (693, 29471), (819, 24937), (1001, 20403), (1287, 15869), (2267, 9009), (3003, 6801)]