20172730

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{19973}}^1$

素因数の和:20081

約数の個数: 16

約数和(自身を含む): 36672264

約数和(自身を除く): 16499534

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 19973, 39946, 99865, 199730, 2017273, 4034546, 10086365, 20172730]

約数ペア:

[(1, 20172730), (2, 10086365), (5, 4034546), (10, 2017273), (101, 199730), (202, 99865), (505, 39946), (1010, 19973)]