20404906384

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{11700061}}^1$

素因数の和:11700178

約数の個数: 20

約数和(自身を含む): 39897211420

約数和(自身を除く): 19492305036

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 11700061, 23400122, 46800244, 93600488, 187200976, 1275306649, 2550613298, 5101226596, 10202453192, 20404906384]

約数ペア:

[(1, 20404906384), (2, 10202453192), (4, 5101226596), (8, 2550613298), (16, 1275306649), (109, 187200976), (218, 93600488), (436, 46800244), (872, 23400122), (1744, 11700061)]