20423886

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{547}}^1$

素因数の和:693

約数の個数: 48

約数和(自身を含む): 47978496

約数和(自身を除く): 27554610

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 127, 147, 254, 294, 381, 547, 762, 889, 1094, 1641, 1778, 2667, 3282, 3829, 5334, 6223, 7658, 11487, 12446, 18669, 22974, 26803, 37338, 53606, 69469, 80409, 138938, 160818, 208407, 416814, 486283, 972566, 1458849, 2917698, 3403981, 6807962, 10211943, 20423886]

約数ペア:

[(1, 20423886), (2, 10211943), (3, 6807962), (6, 3403981), (7, 2917698), (14, 1458849), (21, 972566), (42, 486283), (49, 416814), (98, 208407), (127, 160818), (147, 138938), (254, 80409), (294, 69469), (381, 53606), (547, 37338), (762, 26803), (889, 22974), (1094, 18669), (1641, 12446), (1778, 11487), (2667, 7658), (3282, 6223), (3829, 5334)]