20752515

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{65881}}^1$

素因数の和:65899

約数の個数: 24

約数和(自身を含む): 41110368

約数和(自身を除く): 20357853

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 65881, 197643, 329405, 461167, 592929, 988215, 1383501, 2305835, 2964645, 4150503, 6917505, 20752515]

約数ペア:

[(1, 20752515), (3, 6917505), (5, 4150503), (7, 2964645), (9, 2305835), (15, 1383501), (21, 988215), (35, 592929), (45, 461167), (63, 329405), (105, 197643), (315, 65881)]