20175037281

素因数分解:

$3^3\times 7^1\times {\mathrm{2267}}^1\times {\mathrm{47087}}^1$

素因数の和:49370

約数の個数: 32

約数和(自身を含む): 34174586880

約数和(自身を除く): 13999549599

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 2267, 6801, 15869, 20403, 47087, 47607, 61209, 141261, 142821, 329609, 423783, 428463, 988827, 1271349, 2966481, 8899443, 106746229, 320238687, 747223603, 960716061, 2241670809, 2882148183, 6725012427, 20175037281]

約数ペア:

[(1, 20175037281), (3, 6725012427), (7, 2882148183), (9, 2241670809), (21, 960716061), (27, 747223603), (63, 320238687), (189, 106746229), (2267, 8899443), (6801, 2966481), (15869, 1271349), (20403, 988827), (47087, 428463), (47607, 423783), (61209, 329609), (141261, 142821)]