20218484272

素因数分解:

$2^4\times 7^2\times {\mathrm{739}}^1\times {\mathrm{34897}}^1$

素因数の和:35658

約数の個数: 60

約数和(自身を含む): 45631926840

約数和(自身を除く): 25413442568

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 739, 784, 1478, 2956, 5173, 5912, 10346, 11824, 20692, 34897, 36211, 41384, 69794, 72422, 82768, 139588, 144844, 244279, 279176, 289688, 488558, 558352, 579376, 977116, 1709953, 1954232, 3419906, 3908464, 6839812, 13679624, 25788883, 27359248, 51577766, 103155532, 180522181, 206311064, 361044362, 412622128, 722088724, 1263655267, 1444177448, 2527310534, 2888354896, 5054621068, 10109242136, 20218484272]

約数ペア:

[(1, 20218484272), (2, 10109242136), (4, 5054621068), (7, 2888354896), (8, 2527310534), (14, 1444177448), (16, 1263655267), (28, 722088724), (49, 412622128), (56, 361044362), (98, 206311064), (112, 180522181), (196, 103155532), (392, 51577766), (739, 27359248), (784, 25788883), (1478, 13679624), (2956, 6839812), (5173, 3908464), (5912, 3419906), (10346, 1954232), (11824, 1709953), (20692, 977116), (34897, 579376), (36211, 558352), (41384, 488558), (69794, 289688), (72422, 279176), (82768, 244279), (139588, 144844)]