20187059193

素因数分解:

$3^4\times 7^1\times {\mathrm{179}}^1\times {\mathrm{198901}}^1$

素因数の和:199099

約数の個数: 40

約数和(自身を含む): 34656684480

約数和(自身を除く): 14469625287

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 179, 189, 537, 567, 1253, 1611, 3759, 4833, 11277, 14499, 33831, 101493, 198901, 596703, 1392307, 1790109, 4176921, 5370327, 12530763, 16110981, 35603279, 37592289, 106809837, 112776867, 249222953, 320429511, 747668859, 961288533, 2243006577, 2883865599, 6729019731, 20187059193]

約数ペア:

[(1, 20187059193), (3, 6729019731), (7, 2883865599), (9, 2243006577), (21, 961288533), (27, 747668859), (63, 320429511), (81, 249222953), (179, 112776867), (189, 106809837), (537, 37592289), (567, 35603279), (1253, 16110981), (1611, 12530763), (3759, 5370327), (4833, 4176921), (11277, 1790109), (14499, 1392307), (33831, 596703), (101493, 198901)]