20697664

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{24877}}^1$

素因数の和:24902

約数の個数: 28

約数和(自身を含む): 44233084

約数和(自身を除く): 23535420

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 24877, 49754, 99508, 199016, 323401, 398032, 646802, 796064, 1293604, 1592128, 2587208, 5174416, 10348832, 20697664]

約数ペア:

[(1, 20697664), (2, 10348832), (4, 5174416), (8, 2587208), (13, 1592128), (16, 1293604), (26, 796064), (32, 646802), (52, 398032), (64, 323401), (104, 199016), (208, 99508), (416, 49754), (832, 24877)]