20777688

素因数分解:

$2^3\times 3^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:182

約数の個数: 128

約数和(自身を含む): 62208000

約数和(自身を除く): 41430312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 29, 31, 36, 54, 58, 62, 72, 87, 93, 107, 108, 116, 124, 174, 186, 214, 216, 232, 248, 261, 279, 321, 348, 372, 428, 522, 558, 642, 696, 744, 783, 837, 856, 899, 963, 1044, 1116, 1284, 1566, 1674, 1798, 1926, 2088, 2232, 2568, 2697, 2889, 3103, 3132, 3317, 3348, 3596, 3852, 5394, 5778, 6206, 6264, 6634, 6696, 7192, 7704, 8091, 9309, 9951, 10788, 11556, 12412, 13268, 16182, 18618, 19902, 21576, 23112, 24273, 24824, 26536, 27927, 29853, 32364, 37236, 39804, 48546, 55854, 59706, 64728, 74472, 79608, 83781, 89559, 96193, 97092, 111708, 119412, 167562, 179118, 192386, 194184, 223416, 238824, 288579, 335124, 358236, 384772, 577158, 670248, 716472, 769544, 865737, 1154316, 1731474, 2308632, 2597211, 3462948, 5194422, 6925896, 10388844, 20777688]

約数ペア:

[(1, 20777688), (2, 10388844), (3, 6925896), (4, 5194422), (6, 3462948), (8, 2597211), (9, 2308632), (12, 1731474), (18, 1154316), (24, 865737), (27, 769544), (29, 716472), (31, 670248), (36, 577158), (54, 384772), (58, 358236), (62, 335124), (72, 288579), (87, 238824), (93, 223416), (107, 194184), (108, 192386), (116, 179118), (124, 167562), (174, 119412), (186, 111708), (214, 97092), (216, 96193), (232, 89559), (248, 83781), (261, 79608), (279, 74472), (321, 64728), (348, 59706), (372, 55854), (428, 48546), (522, 39804), (558, 37236), (642, 32364), (696, 29853), (744, 27927), (783, 26536), (837, 24824), (856, 24273), (899, 23112), (963, 21576), (1044, 19902), (1116, 18618), (1284, 16182), (1566, 13268), (1674, 12412), (1798, 11556), (1926, 10788), (2088, 9951), (2232, 9309), (2568, 8091), (2697, 7704), (2889, 7192), (3103, 6696), (3132, 6634), (3317, 6264), (3348, 6206), (3596, 5778), (3852, 5394)]