20019808

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{15259}}^1$

素因数の和:15310

約数の個数: 24

約数和(自身を含む): 40377960

約数和(自身を除く): 20358152

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 656, 1312, 15259, 30518, 61036, 122072, 244144, 488288, 625619, 1251238, 2502476, 5004952, 10009904, 20019808]

約数ペア:

[(1, 20019808), (2, 10009904), (4, 5004952), (8, 2502476), (16, 1251238), (32, 625619), (41, 488288), (82, 244144), (164, 122072), (328, 61036), (656, 30518), (1312, 15259)]