20163717

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{281}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 35897472

約数和(自身を除く): 15733755

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 67, 119, 153, 201, 281, 357, 469, 603, 843, 1071, 1139, 1407, 1967, 2529, 3417, 4221, 4777, 5901, 7973, 10251, 14331, 17703, 18827, 23919, 33439, 42993, 56481, 71757, 100317, 131789, 169443, 300951, 320059, 395367, 960177, 1186101, 2240413, 2880531, 6721239, 20163717]

約数ペア:

[(1, 20163717), (3, 6721239), (7, 2880531), (9, 2240413), (17, 1186101), (21, 960177), (51, 395367), (63, 320059), (67, 300951), (119, 169443), (153, 131789), (201, 100317), (281, 71757), (357, 56481), (469, 42993), (603, 33439), (843, 23919), (1071, 18827), (1139, 17703), (1407, 14331), (1967, 10251), (2529, 7973), (3417, 5901), (4221, 4777)]