20369068920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{997}}^1\times {\mathrm{18917}}^1$

素因数の和:19934

約数の個数: 128

約数和(自身を含む): 67968590400

約数和(自身を除く): 47599521480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 997, 1080, 1994, 2991, 3988, 4985, 5982, 7976, 8973, 9970, 11964, 14955, 17946, 18917, 19940, 23928, 26919, 29910, 35892, 37834, 39880, 44865, 53838, 56751, 59820, 71784, 75668, 89730, 94585, 107676, 113502, 119640, 134595, 151336, 170253, 179460, 189170, 215352, 227004, 269190, 283755, 340506, 358920, 378340, 454008, 510759, 538380, 567510, 681012, 756680, 851265, 1021518, 1076760, 1135020, 1362024, 1702530, 2043036, 2270040, 2553795, 3405060, 4086072, 5107590, 6810120, 10215180, 18860249, 20430360, 37720498, 56580747, 75440996, 94301245, 113161494, 150881992, 169742241, 188602490, 226322988, 282903735, 339484482, 377204980, 452645976, 509226723, 565807470, 678968964, 754409960, 848711205, 1018453446, 1131614940, 1357937928, 1697422410, 2036906892, 2263229880, 2546133615, 3394844820, 4073813784, 5092267230, 6789689640, 10184534460, 20369068920]

約数ペア:

[(1, 20369068920), (2, 10184534460), (3, 6789689640), (4, 5092267230), (5, 4073813784), (6, 3394844820), (8, 2546133615), (9, 2263229880), (10, 2036906892), (12, 1697422410), (15, 1357937928), (18, 1131614940), (20, 1018453446), (24, 848711205), (27, 754409960), (30, 678968964), (36, 565807470), (40, 509226723), (45, 452645976), (54, 377204980), (60, 339484482), (72, 282903735), (90, 226322988), (108, 188602490), (120, 169742241), (135, 150881992), (180, 113161494), (216, 94301245), (270, 75440996), (360, 56580747), (540, 37720498), (997, 20430360), (1080, 18860249), (1994, 10215180), (2991, 6810120), (3988, 5107590), (4985, 4086072), (5982, 3405060), (7976, 2553795), (8973, 2270040), (9970, 2043036), (11964, 1702530), (14955, 1362024), (17946, 1135020), (18917, 1076760), (19940, 1021518), (23928, 851265), (26919, 756680), (29910, 681012), (35892, 567510), (37834, 538380), (39880, 510759), (44865, 454008), (53838, 378340), (56751, 358920), (59820, 340506), (71784, 283755), (75668, 269190), (89730, 227004), (94585, 215352), (107676, 189170), (113502, 179460), (119640, 170253), (134595, 151336)]