20324115

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:198

約数の個数: 80

約数和(自身を含む): 42653952

約数和(自身を除く): 22329837

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 67, 81, 105, 107, 135, 189, 201, 315, 321, 335, 405, 469, 535, 567, 603, 749, 945, 963, 1005, 1407, 1605, 1809, 2247, 2345, 2835, 2889, 3015, 3745, 4221, 4815, 5427, 6741, 7035, 7169, 8667, 9045, 11235, 12663, 14445, 20223, 21105, 21507, 27135, 33705, 35845, 37989, 43335, 50183, 60669, 63315, 64521, 101115, 107535, 150549, 189945, 193563, 250915, 303345, 322605, 451647, 580689, 752745, 967815, 1354941, 2258235, 2903445, 4064823, 6774705, 20324115]

約数ペア:

[(1, 20324115), (3, 6774705), (5, 4064823), (7, 2903445), (9, 2258235), (15, 1354941), (21, 967815), (27, 752745), (35, 580689), (45, 451647), (63, 322605), (67, 303345), (81, 250915), (105, 193563), (107, 189945), (135, 150549), (189, 107535), (201, 101115), (315, 64521), (321, 63315), (335, 60669), (405, 50183), (469, 43335), (535, 37989), (567, 35845), (603, 33705), (749, 27135), (945, 21507), (963, 21105), (1005, 20223), (1407, 14445), (1605, 12663), (1809, 11235), (2247, 9045), (2345, 8667), (2835, 7169), (2889, 7035), (3015, 6741), (3745, 5427), (4221, 4815)]