20332683

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{359}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 35942400

約数和(自身を除く): 15609717

約数列:

[1, 3, 7, 9, 21, 29, 31, 63, 87, 93, 203, 217, 261, 279, 359, 609, 651, 899, 1077, 1827, 1953, 2513, 2697, 3231, 6293, 7539, 8091, 10411, 11129, 18879, 22617, 31233, 33387, 56637, 72877, 77903, 93699, 100161, 218631, 233709, 322741, 655893, 701127, 968223, 2259187, 2904669, 6777561, 20332683]

約数ペア:

[(1, 20332683), (3, 6777561), (7, 2904669), (9, 2259187), (21, 968223), (29, 701127), (31, 655893), (63, 322741), (87, 233709), (93, 218631), (203, 100161), (217, 93699), (261, 77903), (279, 72877), (359, 56637), (609, 33387), (651, 31233), (899, 22617), (1077, 18879), (1827, 11129), (1953, 10411), (2513, 8091), (2697, 7539), (3231, 6293)]