20892543

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{479}}^1$

素因数の和:587

約数の個数: 32

約数和(自身を含む): 33423360

約数和(自身を除く): 12530817

約数列:

[1, 3, 7, 21, 31, 67, 93, 201, 217, 469, 479, 651, 1407, 1437, 2077, 3353, 6231, 10059, 14539, 14849, 32093, 43617, 44547, 96279, 103943, 224651, 311829, 673953, 994883, 2984649, 6964181, 20892543]

約数ペア:

[(1, 20892543), (3, 6964181), (7, 2984649), (21, 994883), (31, 673953), (67, 311829), (93, 224651), (201, 103943), (217, 96279), (469, 44547), (479, 43617), (651, 32093), (1407, 14849), (1437, 14539), (2077, 10059), (3353, 6231)]