20647776

素因数分解:

$2^5\times 3^1\times {\mathrm{37}}^1\times {\mathrm{5813}}^1$

素因数の和:5863

約数の個数: 48

約数和(自身を含む): 55674864

約数和(自身を除く): 35027088

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 37, 48, 74, 96, 111, 148, 222, 296, 444, 592, 888, 1184, 1776, 3552, 5813, 11626, 17439, 23252, 34878, 46504, 69756, 93008, 139512, 186016, 215081, 279024, 430162, 558048, 645243, 860324, 1290486, 1720648, 2580972, 3441296, 5161944, 6882592, 10323888, 20647776]

約数ペア:

[(1, 20647776), (2, 10323888), (3, 6882592), (4, 5161944), (6, 3441296), (8, 2580972), (12, 1720648), (16, 1290486), (24, 860324), (32, 645243), (37, 558048), (48, 430162), (74, 279024), (96, 215081), (111, 186016), (148, 139512), (222, 93008), (296, 69756), (444, 46504), (592, 34878), (888, 23252), (1184, 17439), (1776, 11626), (3552, 5813)]