20809184

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1907}}^1$

素因数の和:1959

約数の個数: 48

約数和(自身を含む): 46158336

約数和(自身を除く): 25349152

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 88, 124, 176, 248, 341, 352, 496, 682, 992, 1364, 1907, 2728, 3814, 5456, 7628, 10912, 15256, 20977, 30512, 41954, 59117, 61024, 83908, 118234, 167816, 236468, 335632, 472936, 650287, 671264, 945872, 1300574, 1891744, 2601148, 5202296, 10404592, 20809184]

約数ペア:

[(1, 20809184), (2, 10404592), (4, 5202296), (8, 2601148), (11, 1891744), (16, 1300574), (22, 945872), (31, 671264), (32, 650287), (44, 472936), (62, 335632), (88, 236468), (124, 167816), (176, 118234), (248, 83908), (341, 61024), (352, 59117), (496, 41954), (682, 30512), (992, 20977), (1364, 15256), (1907, 10912), (2728, 7628), (3814, 5456)]