20761740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{115343}}^1$

素因数の和:115358

約数の個数: 36

約数和(自身を含む): 62977824

約数和(自身を除く): 42216084

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 115343, 230686, 346029, 461372, 576715, 692058, 1038087, 1153430, 1384116, 1730145, 2076174, 2306860, 3460290, 4152348, 5190435, 6920580, 10380870, 20761740]

約数ペア:

[(1, 20761740), (2, 10380870), (3, 6920580), (4, 5190435), (5, 4152348), (6, 3460290), (9, 2306860), (10, 2076174), (12, 1730145), (15, 1384116), (18, 1153430), (20, 1038087), (30, 692058), (36, 576715), (45, 461372), (60, 346029), (90, 230686), (180, 115343)]