20911181764

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{1223}}^1\times {\mathrm{35327}}^1$

素因数の和:36576

約数の個数: 36

約数和(自身を含む): 40257810432

約数和(自身を除く): 19346628668

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 1223, 2446, 4892, 13453, 26906, 35327, 53812, 70654, 141308, 147983, 295966, 388597, 591932, 777194, 1554388, 4274567, 8549134, 17098268, 43204921, 86409842, 172819684, 475254131, 950508262, 1901016524, 5227795441, 10455590882, 20911181764]

約数ペア:

[(1, 20911181764), (2, 10455590882), (4, 5227795441), (11, 1901016524), (22, 950508262), (44, 475254131), (121, 172819684), (242, 86409842), (484, 43204921), (1223, 17098268), (2446, 8549134), (4892, 4274567), (13453, 1554388), (26906, 777194), (35327, 591932), (53812, 388597), (70654, 295966), (141308, 147983)]