20320416

素因数分解:

$2^5\times 3^3\times {\mathrm{29}}^1\times {\mathrm{811}}^1$

素因数の和:859

約数の個数: 96

約数和(自身を含む): 61387200

約数和(自身を除く): 41066784

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 29, 32, 36, 48, 54, 58, 72, 87, 96, 108, 116, 144, 174, 216, 232, 261, 288, 348, 432, 464, 522, 696, 783, 811, 864, 928, 1044, 1392, 1566, 1622, 2088, 2433, 2784, 3132, 3244, 4176, 4866, 6264, 6488, 7299, 8352, 9732, 12528, 12976, 14598, 19464, 21897, 23519, 25056, 25952, 29196, 38928, 43794, 47038, 58392, 70557, 77856, 87588, 94076, 116784, 141114, 175176, 188152, 211671, 233568, 282228, 350352, 376304, 423342, 564456, 635013, 700704, 752608, 846684, 1128912, 1270026, 1693368, 2257824, 2540052, 3386736, 5080104, 6773472, 10160208, 20320416]

約数ペア:

[(1, 20320416), (2, 10160208), (3, 6773472), (4, 5080104), (6, 3386736), (8, 2540052), (9, 2257824), (12, 1693368), (16, 1270026), (18, 1128912), (24, 846684), (27, 752608), (29, 700704), (32, 635013), (36, 564456), (48, 423342), (54, 376304), (58, 350352), (72, 282228), (87, 233568), (96, 211671), (108, 188152), (116, 175176), (144, 141114), (174, 116784), (216, 94076), (232, 87588), (261, 77856), (288, 70557), (348, 58392), (432, 47038), (464, 43794), (522, 38928), (696, 29196), (783, 25952), (811, 25056), (864, 23519), (928, 21897), (1044, 19464), (1392, 14598), (1566, 12976), (1622, 12528), (2088, 9732), (2433, 8352), (2784, 7299), (3132, 6488), (3244, 6264), (4176, 4866)]