20842362

素因数分解:

$2^1\times 3^2\times {\mathrm{131}}^1\times {\mathrm{8839}}^1$

素因数の和:8978

約数の個数: 24

約数和(自身を含む): 45508320

約数和(自身を除く): 24665958

約数列:

[1, 2, 3, 6, 9, 18, 131, 262, 393, 786, 1179, 2358, 8839, 17678, 26517, 53034, 79551, 159102, 1157909, 2315818, 3473727, 6947454, 10421181, 20842362]

約数ペア:

[(1, 20842362), (2, 10421181), (3, 6947454), (6, 3473727), (9, 2315818), (18, 1157909), (131, 159102), (262, 79551), (393, 53034), (786, 26517), (1179, 17678), (2358, 8839)]