20902832

素因数分解:

$2^4\times {\mathrm{1063}}^1\times {\mathrm{1229}}^1$

素因数の和:2300

約数の個数: 20

約数和(自身を含む): 40570320

約数和(自身を除く): 19667488

約数列:

[1, 2, 4, 8, 16, 1063, 1229, 2126, 2458, 4252, 4916, 8504, 9832, 17008, 19664, 1306427, 2612854, 5225708, 10451416, 20902832]

約数ペア:

[(1, 20902832), (2, 10451416), (4, 5225708), (8, 2612854), (16, 1306427), (1063, 19664), (1229, 17008), (2126, 9832), (2458, 8504), (4252, 4916)]