20349472

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4447}}^1$

素因数の和:4481

約数の個数: 48

約数和(自身を含む): 47077632

約数和(自身を除く): 26728160

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 88, 104, 143, 176, 208, 286, 352, 416, 572, 1144, 2288, 4447, 4576, 8894, 17788, 35576, 48917, 57811, 71152, 97834, 115622, 142304, 195668, 231244, 391336, 462488, 635921, 782672, 924976, 1271842, 1565344, 1849952, 2543684, 5087368, 10174736, 20349472]

約数ペア:

[(1, 20349472), (2, 10174736), (4, 5087368), (8, 2543684), (11, 1849952), (13, 1565344), (16, 1271842), (22, 924976), (26, 782672), (32, 635921), (44, 462488), (52, 391336), (88, 231244), (104, 195668), (143, 142304), (176, 115622), (208, 97834), (286, 71152), (352, 57811), (416, 48917), (572, 35576), (1144, 17788), (2288, 8894), (4447, 4576)]