20560364

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{10867}}^1$

素因数の和:10925

約数の個数: 24

約数和(自身を含む): 40168128

約数和(自身を除く): 19607764

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 473, 946, 1892, 10867, 21734, 43468, 119537, 239074, 467281, 478148, 934562, 1869124, 5140091, 10280182, 20560364]

約数ペア:

[(1, 20560364), (2, 10280182), (4, 5140091), (11, 1869124), (22, 934562), (43, 478148), (44, 467281), (86, 239074), (172, 119537), (473, 43468), (946, 21734), (1892, 10867)]