20848131

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{509}}^1$

素因数の和:596

約数の個数: 32

約数和(自身を含む): 32558400

約数和(自身を除く): 11710269

約数列:

[1, 3, 9, 27, 37, 41, 111, 123, 333, 369, 509, 999, 1107, 1517, 1527, 4551, 4581, 13653, 13743, 18833, 20869, 40959, 56499, 62607, 169497, 187821, 508491, 563463, 772153, 2316459, 6949377, 20848131]

約数ペア:

[(1, 20848131), (3, 6949377), (9, 2316459), (27, 772153), (37, 563463), (41, 508491), (111, 187821), (123, 169497), (333, 62607), (369, 56499), (509, 40959), (999, 20869), (1107, 18833), (1517, 13743), (1527, 13653), (4551, 4581)]