20603280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{85847}}^1$

素因数の和:85863

約数の個数: 40

約数和(自身を含む): 63870912

約数和(自身を除く): 43267632

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 85847, 171694, 257541, 343388, 429235, 515082, 686776, 858470, 1030164, 1287705, 1373552, 1716940, 2060328, 2575410, 3433880, 4120656, 5150820, 6867760, 10301640, 20603280]

約数ペア:

[(1, 20603280), (2, 10301640), (3, 6867760), (4, 5150820), (5, 4120656), (6, 3433880), (8, 2575410), (10, 2060328), (12, 1716940), (15, 1373552), (16, 1287705), (20, 1030164), (24, 858470), (30, 686776), (40, 515082), (48, 429235), (60, 343388), (80, 257541), (120, 171694), (240, 85847)]