20645229

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{1733}}^1$

素因数の和:1785

約数の個数: 24

約数和(自身を含む): 31711392

約数和(自身を除く): 11066163

約数列:

[1, 3, 11, 19, 33, 57, 209, 361, 627, 1083, 1733, 3971, 5199, 11913, 19063, 32927, 57189, 98781, 362197, 625613, 1086591, 1876839, 6881743, 20645229]

約数ペア:

[(1, 20645229), (3, 6881743), (11, 1876839), (19, 1086591), (33, 625613), (57, 362197), (209, 98781), (361, 57189), (627, 32927), (1083, 19063), (1733, 11913), (3971, 5199)]