20941695

素因数分解:

$3^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1931}}^1$

素因数の和:2183

約数の個数: 24

約数和(自身を含む): 36468432

約数和(自身を除く): 15526737

約数列:

[1, 3, 5, 9, 15, 45, 241, 723, 1205, 1931, 2169, 3615, 5793, 9655, 10845, 17379, 28965, 86895, 465371, 1396113, 2326855, 4188339, 6980565, 20941695]

約数ペア:

[(1, 20941695), (3, 6980565), (5, 4188339), (9, 2326855), (15, 1396113), (45, 465371), (241, 86895), (723, 28965), (1205, 17379), (1931, 10845), (2169, 9655), (3615, 5793)]