20199256335

素因数分解:

$3^4\times 5^1\times {\mathrm{49874707}}^1$

素因数の和:49874724

約数の個数: 20

約数和(自身を含む): 36209038008

約数和(自身を除く): 16009781673

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 49874707, 149624121, 249373535, 448872363, 748120605, 1346617089, 2244361815, 4039851267, 6733085445, 20199256335]

約数ペア:

[(1, 20199256335), (3, 6733085445), (5, 4039851267), (9, 2244361815), (15, 1346617089), (27, 748120605), (45, 448872363), (81, 249373535), (135, 149624121), (405, 49874707)]