20923028

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{587}}^1$

素因数の和:684

約数の個数: 48

約数和(自身を含む): 44782080

約数和(自身を除く): 23859052

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 67, 76, 133, 134, 266, 268, 469, 532, 587, 938, 1174, 1273, 1876, 2348, 2546, 4109, 5092, 8218, 8911, 11153, 16436, 17822, 22306, 35644, 39329, 44612, 78071, 78658, 156142, 157316, 275303, 312284, 550606, 747251, 1101212, 1494502, 2989004, 5230757, 10461514, 20923028]

約数ペア:

[(1, 20923028), (2, 10461514), (4, 5230757), (7, 2989004), (14, 1494502), (19, 1101212), (28, 747251), (38, 550606), (67, 312284), (76, 275303), (133, 157316), (134, 156142), (266, 78658), (268, 78071), (469, 44612), (532, 39329), (587, 35644), (938, 22306), (1174, 17822), (1273, 16436), (1876, 11153), (2348, 8911), (2546, 8218), (4109, 5092)]