20995476

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{1019}}^1$

素因数の和:1144

約数の個数: 48

約数和(自身を含む): 52436160

約数和(自身を除く): 31440684

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 101, 102, 202, 204, 303, 404, 606, 1019, 1212, 1717, 2038, 3057, 3434, 4076, 5151, 6114, 6868, 10302, 12228, 17323, 20604, 34646, 51969, 69292, 102919, 103938, 205838, 207876, 308757, 411676, 617514, 1235028, 1749623, 3499246, 5248869, 6998492, 10497738, 20995476]

約数ペア:

[(1, 20995476), (2, 10497738), (3, 6998492), (4, 5248869), (6, 3499246), (12, 1749623), (17, 1235028), (34, 617514), (51, 411676), (68, 308757), (101, 207876), (102, 205838), (202, 103938), (204, 102919), (303, 69292), (404, 51969), (606, 34646), (1019, 20604), (1212, 17323), (1717, 12228), (2038, 10302), (3057, 6868), (3434, 6114), (4076, 5151)]