20704698

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2251}}^1$

素因数の和:2339

約数の個数: 48

約数和(自身を含む): 51994176

約数和(自身を除く): 31289478

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 73, 126, 146, 219, 438, 511, 657, 1022, 1314, 1533, 2251, 3066, 4502, 4599, 6753, 9198, 13506, 15757, 20259, 31514, 40518, 47271, 94542, 141813, 164323, 283626, 328646, 492969, 985938, 1150261, 1478907, 2300522, 2957814, 3450783, 6901566, 10352349, 20704698]

約数ペア:

[(1, 20704698), (2, 10352349), (3, 6901566), (6, 3450783), (7, 2957814), (9, 2300522), (14, 1478907), (18, 1150261), (21, 985938), (42, 492969), (63, 328646), (73, 283626), (126, 164323), (146, 141813), (219, 94542), (438, 47271), (511, 40518), (657, 31514), (1022, 20259), (1314, 15757), (1533, 13506), (2251, 9198), (3066, 6753), (4502, 4599)]