20544784

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{98773}}^1$

素因数の和:98794

約数の個数: 20

約数和(自身を含む): 42867916

約数和(自身を除く): 22323132

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 98773, 197546, 395092, 790184, 1284049, 1580368, 2568098, 5136196, 10272392, 20544784]

約数ペア:

[(1, 20544784), (2, 10272392), (4, 5136196), (8, 2568098), (13, 1580368), (16, 1284049), (26, 790184), (52, 395092), (104, 197546), (208, 98773)]