20333480

素因数分解:

$2^3\times 5^1\times {\mathrm{577}}^1\times {\mathrm{881}}^1$

素因数の和:1469

約数の個数: 32

約数和(自身を含む): 45881640

約数和(自身を除く): 25548160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 577, 881, 1154, 1762, 2308, 2885, 3524, 4405, 4616, 5770, 7048, 8810, 11540, 17620, 23080, 35240, 508337, 1016674, 2033348, 2541685, 4066696, 5083370, 10166740, 20333480]

約数ペア:

[(1, 20333480), (2, 10166740), (4, 5083370), (5, 4066696), (8, 2541685), (10, 2033348), (20, 1016674), (40, 508337), (577, 35240), (881, 23080), (1154, 17620), (1762, 11540), (2308, 8810), (2885, 7048), (3524, 5770), (4405, 4616)]