20681694

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1559}}^1$

素因数の和:1645

約数の個数: 48

約数和(自身を含む): 49645440

約数和(自身を除く): 28963746

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 67, 99, 134, 198, 201, 402, 603, 737, 1206, 1474, 1559, 2211, 3118, 4422, 4677, 6633, 9354, 13266, 14031, 17149, 28062, 34298, 51447, 102894, 104453, 154341, 208906, 308682, 313359, 626718, 940077, 1148983, 1880154, 2297966, 3446949, 6893898, 10340847, 20681694]

約数ペア:

[(1, 20681694), (2, 10340847), (3, 6893898), (6, 3446949), (9, 2297966), (11, 1880154), (18, 1148983), (22, 940077), (33, 626718), (66, 313359), (67, 308682), (99, 208906), (134, 154341), (198, 104453), (201, 102894), (402, 51447), (603, 34298), (737, 28062), (1206, 17149), (1474, 14031), (1559, 13266), (2211, 9354), (3118, 6633), (4422, 4677)]