20318650

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{36943}}^1$

素因数の和:36966

約数の個数: 24

約数和(自身を含む): 41229504

約数和(自身を除く): 20910854

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 36943, 73886, 184715, 369430, 406373, 812746, 923575, 1847150, 2031865, 4063730, 10159325, 20318650]

約数ペア:

[(1, 20318650), (2, 10159325), (5, 4063730), (10, 2031865), (11, 1847150), (22, 923575), (25, 812746), (50, 406373), (55, 369430), (110, 184715), (275, 73886), (550, 36943)]