20814128

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{35159}}^1$

素因数の和:35204

約数の個数: 20

約数和(自身を含む): 41418480

約数和(自身を除く): 20604352

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 35159, 70318, 140636, 281272, 562544, 1300883, 2601766, 5203532, 10407064, 20814128]

約数ペア:

[(1, 20814128), (2, 10407064), (4, 5203532), (8, 2601766), (16, 1300883), (37, 562544), (74, 281272), (148, 140636), (296, 70318), (592, 35159)]