20754610

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{227}}^1$

素因数の和:498

約数の個数: 32

約数和(自身を含む): 38610432

約数和(自身を除く): 17855822

約数列:

[1, 2, 5, 10, 41, 82, 205, 223, 227, 410, 446, 454, 1115, 1135, 2230, 2270, 9143, 9307, 18286, 18614, 45715, 46535, 50621, 91430, 93070, 101242, 253105, 506210, 2075461, 4150922, 10377305, 20754610]

約数ペア:

[(1, 20754610), (2, 10377305), (5, 4150922), (10, 2075461), (41, 506210), (82, 253105), (205, 101242), (223, 93070), (227, 91430), (410, 50621), (446, 46535), (454, 45715), (1115, 18614), (1135, 18286), (2230, 9307), (2270, 9143)]