20907572

素因数分解:

$2^2\times 7^1\times {\mathrm{769}}^1\times {\mathrm{971}}^1$

素因数の和:1751

約数の個数: 24

約数和(自身を含む): 41912640

約数和(自身を除く): 21005068

約数列:

[1, 2, 4, 7, 14, 28, 769, 971, 1538, 1942, 3076, 3884, 5383, 6797, 10766, 13594, 21532, 27188, 746699, 1493398, 2986796, 5226893, 10453786, 20907572]

約数ペア:

[(1, 20907572), (2, 10453786), (4, 5226893), (7, 2986796), (14, 1493398), (28, 746699), (769, 27188), (971, 21532), (1538, 13594), (1942, 10766), (3076, 6797), (3884, 5383)]