20402672

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{21613}}^1$

素因数の和:21680

約数の個数: 20

約数和(自身を含む): 40202040

約数和(自身を除く): 19799368

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 944, 21613, 43226, 86452, 172904, 345808, 1275167, 2550334, 5100668, 10201336, 20402672]

約数ペア:

[(1, 20402672), (2, 10201336), (4, 5100668), (8, 2550334), (16, 1275167), (59, 345808), (118, 172904), (236, 86452), (472, 43226), (944, 21613)]