20645044

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{12497}}^1$

素因数の和:12567

約数の個数: 24

約数和(自身を含む): 41993280

約数和(自身を除く): 21348236

約数列:

[1, 2, 4, 7, 14, 28, 59, 118, 236, 413, 826, 1652, 12497, 24994, 49988, 87479, 174958, 349916, 737323, 1474646, 2949292, 5161261, 10322522, 20645044]

約数ペア:

[(1, 20645044), (2, 10322522), (4, 5161261), (7, 2949292), (14, 1474646), (28, 737323), (59, 349916), (118, 174958), (236, 87479), (413, 49988), (826, 24994), (1652, 12497)]