20815776

素因数分解:

$2^5\times 3^2\times {\mathrm{72277}}^1$

素因数の和:72293

約数の個数: 36

約数和(自身を含む): 59195682

約数和(自身を除く): 38379906

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 72277, 144554, 216831, 289108, 433662, 578216, 650493, 867324, 1156432, 1300986, 1734648, 2312864, 2601972, 3469296, 5203944, 6938592, 10407888, 20815776]

約数ペア:

[(1, 20815776), (2, 10407888), (3, 6938592), (4, 5203944), (6, 3469296), (8, 2601972), (9, 2312864), (12, 1734648), (16, 1300986), (18, 1156432), (24, 867324), (32, 650493), (36, 578216), (48, 433662), (72, 289108), (96, 216831), (144, 144554), (288, 72277)]