20756808

素因数分解:

$2^3\times 3^2\times {\mathrm{29}}^1\times {\mathrm{9941}}^1$

素因数の和:9982

約数の個数: 48

約数和(自身を含む): 58160700

約数和(自身を除く): 37403892

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 29, 36, 58, 72, 87, 116, 174, 232, 261, 348, 522, 696, 1044, 2088, 9941, 19882, 29823, 39764, 59646, 79528, 89469, 119292, 178938, 238584, 288289, 357876, 576578, 715752, 864867, 1153156, 1729734, 2306312, 2594601, 3459468, 5189202, 6918936, 10378404, 20756808]

約数ペア:

[(1, 20756808), (2, 10378404), (3, 6918936), (4, 5189202), (6, 3459468), (8, 2594601), (9, 2306312), (12, 1729734), (18, 1153156), (24, 864867), (29, 715752), (36, 576578), (58, 357876), (72, 288289), (87, 238584), (116, 178938), (174, 119292), (232, 89469), (261, 79528), (348, 59646), (522, 39764), (696, 29823), (1044, 19882), (2088, 9941)]