20847684

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{12149}}^1$

素因数の和:12180

約数の個数: 48

約数和(自身を含む): 57153600

約数和(自身を除く): 36305916

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 132, 143, 156, 286, 429, 572, 858, 1716, 12149, 24298, 36447, 48596, 72894, 133639, 145788, 157937, 267278, 315874, 400917, 473811, 534556, 631748, 801834, 947622, 1603668, 1737307, 1895244, 3474614, 5211921, 6949228, 10423842, 20847684]

約数ペア:

[(1, 20847684), (2, 10423842), (3, 6949228), (4, 5211921), (6, 3474614), (11, 1895244), (12, 1737307), (13, 1603668), (22, 947622), (26, 801834), (33, 631748), (39, 534556), (44, 473811), (52, 400917), (66, 315874), (78, 267278), (132, 157937), (143, 145788), (156, 133639), (286, 72894), (429, 48596), (572, 36447), (858, 24298), (1716, 12149)]