20038545

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{10861}}^1$

素因数の和:10913

約数の個数: 24

約数和(自身を含む): 35583912

約数和(自身を除く): 15545367

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615, 1845, 10861, 32583, 54305, 97749, 162915, 445301, 488745, 1335903, 2226505, 4007709, 6679515, 20038545]

約数ペア:

[(1, 20038545), (3, 6679515), (5, 4007709), (9, 2226505), (15, 1335903), (41, 488745), (45, 445301), (123, 162915), (205, 97749), (369, 54305), (615, 32583), (1845, 10861)]