20859093

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{557}}^1$

素因数の和:658

約数の個数: 32

約数和(自身を含む): 33033600

約数和(自身を除く): 12174507

約数列:

[1, 3, 9, 19, 27, 57, 73, 171, 219, 513, 557, 657, 1387, 1671, 1971, 4161, 5013, 10583, 12483, 15039, 31749, 37449, 40661, 95247, 121983, 285741, 365949, 772559, 1097847, 2317677, 6953031, 20859093]

約数ペア:

[(1, 20859093), (3, 6953031), (9, 2317677), (19, 1097847), (27, 772559), (57, 365949), (73, 285741), (171, 121983), (219, 95247), (513, 40661), (557, 37449), (657, 31749), (1387, 15039), (1671, 12483), (1971, 10583), (4161, 5013)]