20012814

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{359}}^1$

素因数の和:549

約数の個数: 48

約数和(自身を含む): 46051200

約数和(自身を除く): 26038386

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 163, 171, 326, 342, 359, 489, 718, 978, 1077, 1467, 2154, 2934, 3097, 3231, 6194, 6462, 6821, 9291, 13642, 18582, 20463, 27873, 40926, 55746, 58517, 61389, 117034, 122778, 175551, 351102, 526653, 1053306, 1111823, 2223646, 3335469, 6670938, 10006407, 20012814]

約数ペア:

[(1, 20012814), (2, 10006407), (3, 6670938), (6, 3335469), (9, 2223646), (18, 1111823), (19, 1053306), (38, 526653), (57, 351102), (114, 175551), (163, 122778), (171, 117034), (326, 61389), (342, 58517), (359, 55746), (489, 40926), (718, 27873), (978, 20463), (1077, 18582), (1467, 13642), (2154, 9291), (2934, 6821), (3097, 6462), (3231, 6194)]