20777764

素因数分解:

$2^2\times 7^2\times {\mathrm{227}}^1\times {\mathrm{467}}^1$

素因数の和:712

約数の個数: 36

約数和(自身を含む): 42574896

約数和(自身を除く): 21797132

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 227, 454, 467, 908, 934, 1589, 1868, 3178, 3269, 6356, 6538, 11123, 13076, 22246, 22883, 44492, 45766, 91532, 106009, 212018, 424036, 742063, 1484126, 2968252, 5194441, 10388882, 20777764]

約数ペア:

[(1, 20777764), (2, 10388882), (4, 5194441), (7, 2968252), (14, 1484126), (28, 742063), (49, 424036), (98, 212018), (196, 106009), (227, 91532), (454, 45766), (467, 44492), (908, 22883), (934, 22246), (1589, 13076), (1868, 11123), (3178, 6538), (3269, 6356)]