20854036

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{227}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 44585856

約数和(自身を除く): 23731820

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 193, 227, 238, 386, 454, 476, 772, 908, 1351, 1589, 2702, 3178, 3281, 3859, 5404, 6356, 6562, 7718, 13124, 15436, 22967, 27013, 43811, 45934, 54026, 87622, 91868, 108052, 175244, 306677, 613354, 744787, 1226708, 1489574, 2979148, 5213509, 10427018, 20854036]

約数ペア:

[(1, 20854036), (2, 10427018), (4, 5213509), (7, 2979148), (14, 1489574), (17, 1226708), (28, 744787), (34, 613354), (68, 306677), (119, 175244), (193, 108052), (227, 91868), (238, 87622), (386, 54026), (454, 45934), (476, 43811), (772, 27013), (908, 22967), (1351, 15436), (1589, 13124), (2702, 7718), (3178, 6562), (3281, 6356), (3859, 5404)]