20256819

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{347}}^1$

素因数の和:451

約数の個数: 32

約数和(自身を含む): 31069440

約数和(自身を除く): 10812621

約数列:

[1, 3, 11, 29, 33, 61, 87, 183, 319, 347, 671, 957, 1041, 1769, 2013, 3817, 5307, 10063, 11451, 19459, 21167, 30189, 58377, 63501, 110693, 232837, 332079, 613843, 698511, 1841529, 6752273, 20256819]

約数ペア:

[(1, 20256819), (3, 6752273), (11, 1841529), (29, 698511), (33, 613843), (61, 332079), (87, 232837), (183, 110693), (319, 63501), (347, 58377), (671, 30189), (957, 21167), (1041, 19459), (1769, 11451), (2013, 10063), (3817, 5307)]