20187694085

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{124781}}^1$

素因数の和:124949

約数の個数: 32

約数和(自身を含む): 27671656320

約数和(自身を除く): 7483962235

約数列:

[1, 5, 13, 19, 65, 95, 131, 247, 655, 1235, 1703, 2489, 8515, 12445, 32357, 124781, 161785, 623905, 1622153, 2370839, 8110765, 11854195, 16346311, 30820907, 81731555, 154104535, 212502043, 310579909, 1062510215, 1552899545, 4037538817, 20187694085]

約数ペア:

[(1, 20187694085), (5, 4037538817), (13, 1552899545), (19, 1062510215), (65, 310579909), (95, 212502043), (131, 154104535), (247, 81731555), (655, 30820907), (1235, 16346311), (1703, 11854195), (2489, 8110765), (8515, 2370839), (12445, 1622153), (32357, 623905), (124781, 161785)]