20512115885865

素因数分解:

$3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{15451}}^1\times {\mathrm{636719}}^1$

素因数の和:652317

約数の個数: 32

約数和(自身を含む): 33057687398400

約数和(自身を除く): 12545571512535

約数列:

[1, 3, 5, 15, 139, 417, 695, 2085, 15451, 46353, 77255, 231765, 636719, 1910157, 2147689, 3183595, 6443067, 9550785, 10738445, 32215335, 88503941, 265511823, 442519705, 1327559115, 9837945269, 29513835807, 49189726345, 147569179035, 1367474392391, 4102423177173, 6837371961955, 20512115885865]

約数ペア:

[(1, 20512115885865), (3, 6837371961955), (5, 4102423177173), (15, 1367474392391), (139, 147569179035), (417, 49189726345), (695, 29513835807), (2085, 9837945269), (15451, 1327559115), (46353, 442519705), (77255, 265511823), (231765, 88503941), (636719, 32215335), (1910157, 10738445), (2147689, 9550785), (3183595, 6443067)]