20183213876

素因数分解:

$2^2\times 7^2\times {\mathrm{89}}^1\times {\mathrm{277}}^1\times {\mathrm{4177}}^1$

素因数の和:4561

約数の個数: 72

約数和(自身を含む): 41708890440

約数和(自身を除く): 21525676564

約数列:

[1, 2, 4, 7, 14, 28, 49, 89, 98, 178, 196, 277, 356, 554, 623, 1108, 1246, 1939, 2492, 3878, 4177, 4361, 7756, 8354, 8722, 13573, 16708, 17444, 24653, 27146, 29239, 49306, 54292, 58478, 98612, 116956, 172571, 204673, 345142, 371753, 409346, 690284, 743506, 818692, 1157029, 1207997, 1487012, 2314058, 2415994, 2602271, 4628116, 4831988, 5204542, 8099203, 10409084, 16198406, 18215897, 32396812, 36431794, 56694421, 72863588, 102975581, 113388842, 205951162, 226777684, 411902324, 720829067, 1441658134, 2883316268, 5045803469, 10091606938, 20183213876]

約数ペア:

[(1, 20183213876), (2, 10091606938), (4, 5045803469), (7, 2883316268), (14, 1441658134), (28, 720829067), (49, 411902324), (89, 226777684), (98, 205951162), (178, 113388842), (196, 102975581), (277, 72863588), (356, 56694421), (554, 36431794), (623, 32396812), (1108, 18215897), (1246, 16198406), (1939, 10409084), (2492, 8099203), (3878, 5204542), (4177, 4831988), (4361, 4628116), (7756, 2602271), (8354, 2415994), (8722, 2314058), (13573, 1487012), (16708, 1207997), (17444, 1157029), (24653, 818692), (27146, 743506), (29239, 690284), (49306, 409346), (54292, 371753), (58478, 345142), (98612, 204673), (116956, 172571)]