20198726044

素因数分解:

$2^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{227}}^1\times {\mathrm{28123}}^1$

素因数の和:28474

約数の個数: 48

約数和(自身を含む): 40935944448

約数和(自身を除く): 20737218404

約数列:

[1, 2, 4, 7, 14, 28, 113, 226, 227, 452, 454, 791, 908, 1582, 1589, 3164, 3178, 6356, 25651, 28123, 51302, 56246, 102604, 112492, 179557, 196861, 359114, 393722, 718228, 787444, 3177899, 6355798, 6383921, 12711596, 12767842, 22245293, 25535684, 44490586, 44687447, 88981172, 89374894, 178749788, 721383073, 1442766146, 2885532292, 5049681511, 10099363022, 20198726044]

約数ペア:

[(1, 20198726044), (2, 10099363022), (4, 5049681511), (7, 2885532292), (14, 1442766146), (28, 721383073), (113, 178749788), (226, 89374894), (227, 88981172), (452, 44687447), (454, 44490586), (791, 25535684), (908, 22245293), (1582, 12767842), (1589, 12711596), (3164, 6383921), (3178, 6355798), (6356, 3177899), (25651, 787444), (28123, 718228), (51302, 393722), (56246, 359114), (102604, 196861), (112492, 179557)]