20198492865

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6321907}}^1$

素因数の和:6321989

約数の個数: 24

約数和(自身を含む): 35503835328

約数和(自身を除く): 15305342463

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 6321907, 18965721, 31609535, 56897163, 94828605, 284485815, 448855397, 1346566191, 2244276985, 4039698573, 6732830955, 20198492865]

約数ペア:

[(1, 20198492865), (3, 6732830955), (5, 4039698573), (9, 2244276985), (15, 1346566191), (45, 448855397), (71, 284485815), (213, 94828605), (355, 56897163), (639, 31609535), (1065, 18965721), (3195, 6321907)]