20742370

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1867}}^1$

素因数の和:1986

約数の個数: 32

約数和(自身を含む): 41155776

約数和(自身を除く): 20413406

約数列:

[1, 2, 5, 10, 11, 22, 55, 101, 110, 202, 505, 1010, 1111, 1867, 2222, 3734, 5555, 9335, 11110, 18670, 20537, 41074, 102685, 188567, 205370, 377134, 942835, 1885670, 2074237, 4148474, 10371185, 20742370]

約数ペア:

[(1, 20742370), (2, 10371185), (5, 4148474), (10, 2074237), (11, 1885670), (22, 942835), (55, 377134), (101, 205370), (110, 188567), (202, 102685), (505, 41074), (1010, 20537), (1111, 18670), (1867, 11110), (2222, 9335), (3734, 5555)]