20053264

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{397}}^1$

素因数の和:464

約数の個数: 80

約数和(自身を含む): 49746816

約数和(自身を除く): 29693552

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 41, 44, 56, 77, 82, 88, 112, 154, 164, 176, 287, 308, 328, 397, 451, 574, 616, 656, 794, 902, 1148, 1232, 1588, 1804, 2296, 2779, 3157, 3176, 3608, 4367, 4592, 5558, 6314, 6352, 7216, 8734, 11116, 12628, 16277, 17468, 22232, 25256, 30569, 32554, 34936, 44464, 50512, 61138, 65108, 69872, 113939, 122276, 130216, 179047, 227878, 244552, 260432, 358094, 455756, 489104, 716188, 911512, 1253329, 1432376, 1823024, 2506658, 2864752, 5013316, 10026632, 20053264]

約数ペア:

[(1, 20053264), (2, 10026632), (4, 5013316), (7, 2864752), (8, 2506658), (11, 1823024), (14, 1432376), (16, 1253329), (22, 911512), (28, 716188), (41, 489104), (44, 455756), (56, 358094), (77, 260432), (82, 244552), (88, 227878), (112, 179047), (154, 130216), (164, 122276), (176, 113939), (287, 69872), (308, 65108), (328, 61138), (397, 50512), (451, 44464), (574, 34936), (616, 32554), (656, 30569), (794, 25256), (902, 22232), (1148, 17468), (1232, 16277), (1588, 12628), (1804, 11116), (2296, 8734), (2779, 7216), (3157, 6352), (3176, 6314), (3608, 5558), (4367, 4592)]