20248855

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{16007}}^1$

素因数の和:16046

約数の個数: 16

約数和(自身を含む): 27661824

約数和(自身を除く): 7412969

約数列:

[1, 5, 11, 23, 55, 115, 253, 1265, 16007, 80035, 176077, 368161, 880385, 1840805, 4049771, 20248855]

約数ペア:

[(1, 20248855), (5, 4049771), (11, 1840805), (23, 880385), (55, 368161), (115, 176077), (253, 80035), (1265, 16007)]