20494530

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{32531}}^1$

素因数の和:32551

約数の個数: 48

約数和(自身を含む): 60899904

約数和(自身を除く): 40405374

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 32531, 65062, 97593, 162655, 195186, 227717, 292779, 325310, 455434, 487965, 585558, 683151, 975930, 1138585, 1366302, 1463895, 2049453, 2277170, 2927790, 3415755, 4098906, 6831510, 10247265, 20494530]

約数ペア:

[(1, 20494530), (2, 10247265), (3, 6831510), (5, 4098906), (6, 3415755), (7, 2927790), (9, 2277170), (10, 2049453), (14, 1463895), (15, 1366302), (18, 1138585), (21, 975930), (30, 683151), (35, 585558), (42, 487965), (45, 455434), (63, 325310), (70, 292779), (90, 227717), (105, 195186), (126, 162655), (210, 97593), (315, 65062), (630, 32531)]