20674774

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:268

約数の個数: 32

約数和(自身を含む): 33868800

約数和(自身を除く): 13194026

約数列:

[1, 2, 19, 38, 71, 79, 97, 142, 158, 194, 1349, 1501, 1843, 2698, 3002, 3686, 5609, 6887, 7663, 11218, 13774, 15326, 106571, 130853, 145597, 213142, 261706, 291194, 544073, 1088146, 10337387, 20674774]

約数ペア:

[(1, 20674774), (2, 10337387), (19, 1088146), (38, 544073), (71, 291194), (79, 261706), (97, 213142), (142, 145597), (158, 130853), (194, 106571), (1349, 15326), (1501, 13774), (1843, 11218), (2698, 7663), (3002, 6887), (3686, 5609)]