20170758929

素因数分解:

${\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1\times {\mathrm{397}}^1$

素因数の和:833

約数の個数: 32

約数和(自身を含む): 21749904000

約数和(自身を除く): 1579145071

約数列:

[1, 19, 131, 137, 149, 397, 2489, 2603, 2831, 7543, 17947, 19519, 20413, 52007, 54389, 59153, 340993, 370861, 387847, 988133, 1033391, 1123907, 2674103, 7124959, 7749043, 8103961, 50807957, 135374221, 147231817, 153975259, 1061618891, 20170758929]

約数ペア:

[(1, 20170758929), (19, 1061618891), (131, 153975259), (137, 147231817), (149, 135374221), (397, 50807957), (2489, 8103961), (2603, 7749043), (2831, 7124959), (7543, 2674103), (17947, 1123907), (19519, 1033391), (20413, 988133), (52007, 387847), (54389, 370861), (59153, 340993)]