20923010

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{23509}}^1$

素因数の和:23605

約数の個数: 16

約数和(自身を含む): 38086200

約数和(自身を除く): 17163190

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 23509, 47018, 117545, 235090, 2092301, 4184602, 10461505, 20923010]

約数ペア:

[(1, 20923010), (2, 10461505), (5, 4184602), (10, 2092301), (89, 235090), (178, 117545), (445, 47018), (890, 23509)]