20153965215

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{18923911}}^1$

素因数の和:18923990

約数の個数: 16

約数和(自身を含む): 32700519936

約数和(自身を除く): 12546554721

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 18923911, 56771733, 94619555, 283858665, 1343597681, 4030793043, 6717988405, 20153965215]

約数ペア:

[(1, 20153965215), (3, 6717988405), (5, 4030793043), (15, 1343597681), (71, 283858665), (213, 94619555), (355, 56771733), (1065, 18923911)]