20125418103

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1\times {\mathrm{439}}^1$

素因数の和:837

約数の個数: 96

約数和(自身を含む): 34805422080

約数和(自身を除く): 14680003977

約数列:

[1, 3, 7, 9, 21, 37, 63, 71, 111, 213, 259, 277, 333, 439, 497, 639, 777, 831, 1317, 1491, 1939, 2331, 2493, 2627, 3073, 3951, 4473, 5817, 7881, 9219, 10249, 16243, 17451, 18389, 19667, 23643, 27657, 30747, 31169, 48729, 55167, 59001, 71743, 92241, 93507, 113701, 121603, 137669, 146187, 165501, 177003, 215229, 218183, 280521, 341103, 364809, 413007, 645687, 654549, 727679, 851221, 1023309, 1094427, 1153253, 1239021, 1963647, 2183037, 2553663, 3459759, 4499311, 5093753, 6549111, 7660989, 8072771, 8633813, 10379277, 13497933, 15281259, 24218313, 25901439, 31495177, 40493799, 45843777, 60436691, 72654939, 77704317, 94485531, 181310073, 283456593, 319451081, 543930219, 958353243, 2236157567, 2875059729, 6708472701, 20125418103]

約数ペア:

[(1, 20125418103), (3, 6708472701), (7, 2875059729), (9, 2236157567), (21, 958353243), (37, 543930219), (63, 319451081), (71, 283456593), (111, 181310073), (213, 94485531), (259, 77704317), (277, 72654939), (333, 60436691), (439, 45843777), (497, 40493799), (639, 31495177), (777, 25901439), (831, 24218313), (1317, 15281259), (1491, 13497933), (1939, 10379277), (2331, 8633813), (2493, 8072771), (2627, 7660989), (3073, 6549111), (3951, 5093753), (4473, 4499311), (5817, 3459759), (7881, 2553663), (9219, 2183037), (10249, 1963647), (16243, 1239021), (17451, 1153253), (18389, 1094427), (19667, 1023309), (23643, 851221), (27657, 727679), (30747, 654549), (31169, 645687), (48729, 413007), (55167, 364809), (59001, 341103), (71743, 280521), (92241, 218183), (93507, 215229), (113701, 177003), (121603, 165501), (137669, 146187)]