20478228

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{55049}}^1$

素因数の和:55087

約数の個数: 24

約数和(自身を含む): 49324800

約数和(自身を除く): 28846572

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 186, 372, 55049, 110098, 165147, 220196, 330294, 660588, 1706519, 3413038, 5119557, 6826076, 10239114, 20478228]

約数ペア:

[(1, 20478228), (2, 10239114), (3, 6826076), (4, 5119557), (6, 3413038), (12, 1706519), (31, 660588), (62, 330294), (93, 220196), (124, 165147), (186, 110098), (372, 55049)]