20717488004

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{557}}^1\times {\mathrm{404291}}^1$

素因数の和:404875

約数の個数: 24

約数和(自身を含む): 37899949248

約数和(自身を除く): 17182461244

約数列:

[1, 2, 4, 23, 46, 92, 557, 1114, 2228, 12811, 25622, 51244, 404291, 808582, 1617164, 9298693, 18597386, 37194772, 225190087, 450380174, 900760348, 5179372001, 10358744002, 20717488004]

約数ペア:

[(1, 20717488004), (2, 10358744002), (4, 5179372001), (23, 900760348), (46, 450380174), (92, 225190087), (557, 37194772), (1114, 18597386), (2228, 9298693), (12811, 1617164), (25622, 808582), (51244, 404291)]