20900770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{757}}^1$

素因数の和:1026

約数の個数: 32

約数和(自身を含む): 41259456

約数和(自身を除く): 20358686

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 251, 502, 757, 1255, 1514, 2510, 2761, 3785, 5522, 7570, 8327, 13805, 16654, 27610, 41635, 83270, 190007, 380014, 950035, 1900070, 2090077, 4180154, 10450385, 20900770]

約数ペア:

[(1, 20900770), (2, 10450385), (5, 4180154), (10, 2090077), (11, 1900070), (22, 950035), (55, 380014), (110, 190007), (251, 83270), (502, 41635), (757, 27610), (1255, 16654), (1514, 13805), (2510, 8327), (2761, 7570), (3785, 5522)]