20553460

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{35437}}^1$

素因数の和:35475

約数の個数: 24

約数和(自身を含む): 44651880

約数和(自身を除く): 24098420

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 35437, 70874, 141748, 177185, 354370, 708740, 1027673, 2055346, 4110692, 5138365, 10276730, 20553460]

約数ペア:

[(1, 20553460), (2, 10276730), (4, 5138365), (5, 4110692), (10, 2055346), (20, 1027673), (29, 708740), (58, 354370), (116, 177185), (145, 141748), (290, 70874), (580, 35437)]