20280546

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{7879}}^1$

素因数の和:7911

約数の個数: 48

約数和(自身を含む): 51629760

約数和(自身を除く): 31349214

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 33, 39, 66, 78, 99, 117, 143, 198, 234, 286, 429, 858, 1287, 2574, 7879, 15758, 23637, 47274, 70911, 86669, 102427, 141822, 173338, 204854, 260007, 307281, 520014, 614562, 780021, 921843, 1126697, 1560042, 1843686, 2253394, 3380091, 6760182, 10140273, 20280546]

約数ペア:

[(1, 20280546), (2, 10140273), (3, 6760182), (6, 3380091), (9, 2253394), (11, 1843686), (13, 1560042), (18, 1126697), (22, 921843), (26, 780021), (33, 614562), (39, 520014), (66, 307281), (78, 260007), (99, 204854), (117, 173338), (143, 141822), (198, 102427), (234, 86669), (286, 70911), (429, 47274), (858, 23637), (1287, 15758), (2574, 7879)]