20552004

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{51899}}^1$

素因数の和:51920

約数の個数: 36

約数和(自身を含む): 56674800

約数和(自身を除く): 36122796

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 51899, 103798, 155697, 207596, 311394, 467091, 570889, 622788, 934182, 1141778, 1712667, 1868364, 2283556, 3425334, 5138001, 6850668, 10276002, 20552004]

約数ペア:

[(1, 20552004), (2, 10276002), (3, 6850668), (4, 5138001), (6, 3425334), (9, 2283556), (11, 1868364), (12, 1712667), (18, 1141778), (22, 934182), (33, 622788), (36, 570889), (44, 467091), (66, 311394), (99, 207596), (132, 155697), (198, 103798), (396, 51899)]