20803666

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{487}}^1$

素因数の和:586

約数の個数: 32

約数和(自身を含む): 35417088

約数和(自身を除く): 14613422

約数列:

[1, 2, 13, 26, 31, 53, 62, 106, 403, 487, 689, 806, 974, 1378, 1643, 3286, 6331, 12662, 15097, 21359, 25811, 30194, 42718, 51622, 196261, 335543, 392522, 671086, 800141, 1600282, 10401833, 20803666]

約数ペア:

[(1, 20803666), (2, 10401833), (13, 1600282), (26, 800141), (31, 671086), (53, 392522), (62, 335543), (106, 196261), (403, 51622), (487, 42718), (689, 30194), (806, 25811), (974, 21359), (1378, 15097), (1643, 12662), (3286, 6331)]