17940260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{69001}}^1$

素因数の和:69023

約数の個数: 24

約数和(自身を含む): 40573176

約数和(自身を除く): 22632916

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 69001, 138002, 276004, 345005, 690010, 897013, 1380020, 1794026, 3588052, 4485065, 8970130, 17940260]

約数ペア:

[(1, 17940260), (2, 8970130), (4, 4485065), (5, 3588052), (10, 1794026), (13, 1380020), (20, 897013), (26, 690010), (52, 345005), (65, 276004), (130, 138002), (260, 69001)]