20268512

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{811}}^1$

素因数の和:903

約数の個数: 48

約数和(自身を含む): 44198784

約数和(自身を除く): 23930272

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 71, 88, 142, 176, 284, 352, 568, 781, 811, 1136, 1562, 1622, 2272, 3124, 3244, 6248, 6488, 8921, 12496, 12976, 17842, 24992, 25952, 35684, 57581, 71368, 115162, 142736, 230324, 285472, 460648, 633391, 921296, 1266782, 1842592, 2533564, 5067128, 10134256, 20268512]

約数ペア:

[(1, 20268512), (2, 10134256), (4, 5067128), (8, 2533564), (11, 1842592), (16, 1266782), (22, 921296), (32, 633391), (44, 460648), (71, 285472), (88, 230324), (142, 142736), (176, 115162), (284, 71368), (352, 57581), (568, 35684), (781, 25952), (811, 24992), (1136, 17842), (1562, 12976), (1622, 12496), (2272, 8921), (3124, 6488), (3244, 6248)]