20172542454

素因数分解:

$2^1\times 3^8\times {\mathrm{73}}^1\times {\mathrm{21059}}^1$

素因数の和:21158

約数の個数: 72

約数和(自身を含む): 46009824120

約数和(自身を除く): 25837281666

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 73, 81, 146, 162, 219, 243, 438, 486, 657, 729, 1314, 1458, 1971, 2187, 3942, 4374, 5913, 6561, 11826, 13122, 17739, 21059, 35478, 42118, 53217, 63177, 106434, 126354, 159651, 189531, 319302, 379062, 478953, 568593, 957906, 1137186, 1537307, 1705779, 3074614, 3411558, 4611921, 5117337, 9223842, 10234674, 13835763, 15352011, 27671526, 30704022, 41507289, 46056033, 83014578, 92112066, 124521867, 138168099, 249043734, 276336198, 373565601, 747131202, 1120696803, 2241393606, 3362090409, 6724180818, 10086271227, 20172542454]

約数ペア:

[(1, 20172542454), (2, 10086271227), (3, 6724180818), (6, 3362090409), (9, 2241393606), (18, 1120696803), (27, 747131202), (54, 373565601), (73, 276336198), (81, 249043734), (146, 138168099), (162, 124521867), (219, 92112066), (243, 83014578), (438, 46056033), (486, 41507289), (657, 30704022), (729, 27671526), (1314, 15352011), (1458, 13835763), (1971, 10234674), (2187, 9223842), (3942, 5117337), (4374, 4611921), (5913, 3411558), (6561, 3074614), (11826, 1705779), (13122, 1537307), (17739, 1137186), (21059, 957906), (35478, 568593), (42118, 478953), (53217, 379062), (63177, 319302), (106434, 189531), (126354, 159651)]