20499618

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{359}}^1$

素因数の和:702

約数の個数: 32

約数和(自身を含む): 42577920

約数和(自身を除く): 22078302

約数列:

[1, 2, 3, 6, 31, 62, 93, 186, 307, 359, 614, 718, 921, 1077, 1842, 2154, 9517, 11129, 19034, 22258, 28551, 33387, 57102, 66774, 110213, 220426, 330639, 661278, 3416603, 6833206, 10249809, 20499618]

約数ペア:

[(1, 20499618), (2, 10249809), (3, 6833206), (6, 3416603), (31, 661278), (62, 330639), (93, 220426), (186, 110213), (307, 66774), (359, 57102), (614, 33387), (718, 28551), (921, 22258), (1077, 19034), (1842, 11129), (2154, 9517)]