20401854

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{6577}}^1$

素因数の和:6640

約数の個数: 32

約数和(自身を含む): 45467136

約数和(自身を除く): 25065282

約数列:

[1, 2, 3, 6, 11, 22, 33, 47, 66, 94, 141, 282, 517, 1034, 1551, 3102, 6577, 13154, 19731, 39462, 72347, 144694, 217041, 309119, 434082, 618238, 927357, 1854714, 3400309, 6800618, 10200927, 20401854]

約数ペア:

[(1, 20401854), (2, 10200927), (3, 6800618), (6, 3400309), (11, 1854714), (22, 927357), (33, 618238), (47, 434082), (66, 309119), (94, 217041), (141, 144694), (282, 72347), (517, 39462), (1034, 19731), (1551, 13154), (3102, 6577)]