20804172

素因数分解:

$2^2\times 3^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{293}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 50017632

約数和(自身を除く): 29213460

約数列:

[1, 2, 3, 4, 6, 12, 61, 97, 122, 183, 194, 244, 291, 293, 366, 388, 582, 586, 732, 879, 1164, 1172, 1758, 3516, 5917, 11834, 17751, 17873, 23668, 28421, 35502, 35746, 53619, 56842, 71004, 71492, 85263, 107238, 113684, 170526, 214476, 341052, 1733681, 3467362, 5201043, 6934724, 10402086, 20804172]

約数ペア:

[(1, 20804172), (2, 10402086), (3, 6934724), (4, 5201043), (6, 3467362), (12, 1733681), (61, 341052), (97, 214476), (122, 170526), (183, 113684), (194, 107238), (244, 85263), (291, 71492), (293, 71004), (366, 56842), (388, 53619), (582, 35746), (586, 35502), (732, 28421), (879, 23668), (1164, 17873), (1172, 17751), (1758, 11834), (3516, 5917)]