20883758

素因数分解:

$2^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{193}}^1$

素因数の和:392

約数の個数: 32

約数和(自身を含む): 36875520

約数和(自身を除く): 15991762

約数列:

[1, 2, 7, 14, 59, 118, 131, 193, 262, 386, 413, 826, 917, 1351, 1834, 2702, 7729, 11387, 15458, 22774, 25283, 50566, 54103, 79709, 108206, 159418, 176981, 353962, 1491697, 2983394, 10441879, 20883758]

約数ペア:

[(1, 20883758), (2, 10441879), (7, 2983394), (14, 1491697), (59, 353962), (118, 176981), (131, 159418), (193, 108206), (262, 79709), (386, 54103), (413, 50566), (826, 25283), (917, 22774), (1351, 15458), (1834, 11387), (2702, 7729)]