20865624

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{66877}}^1$

素因数の和:66899

約数の個数: 32

約数和(自身を含む): 56177520

約数和(自身を除く): 35311896

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 66877, 133754, 200631, 267508, 401262, 535016, 802524, 869401, 1605048, 1738802, 2608203, 3477604, 5216406, 6955208, 10432812, 20865624]

約数ペア:

[(1, 20865624), (2, 10432812), (3, 6955208), (4, 5216406), (6, 3477604), (8, 2608203), (12, 1738802), (13, 1605048), (24, 869401), (26, 802524), (39, 535016), (52, 401262), (78, 267508), (104, 200631), (156, 133754), (312, 66877)]