20565372728

素因数分解:

$2^3\times {\mathrm{5413}}^1\times {\mathrm{474907}}^1$

素因数の和:480326

約数の個数: 16

約数和(自身を含む): 38567278680

約数和(自身を除く): 18001905952

約数列:

[1, 2, 4, 8, 5413, 10826, 21652, 43304, 474907, 949814, 1899628, 3799256, 2570671591, 5141343182, 10282686364, 20565372728]

約数ペア:

[(1, 20565372728), (2, 10282686364), (4, 5141343182), (8, 2570671591), (5413, 3799256), (10826, 1899628), (21652, 949814), (43304, 474907)]