20917033

素因数分解:

${\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{439}}^1$

素因数の和:552

約数の個数: 16

約数和(自身を含む): 22809600

約数和(自身を除く): 1892567

約数列:

[1, 29, 31, 53, 439, 899, 1537, 1643, 12731, 13609, 23267, 47647, 394661, 674743, 721277, 20917033]

約数ペア:

[(1, 20917033), (29, 721277), (31, 674743), (53, 394661), (439, 47647), (899, 23267), (1537, 13609), (1643, 12731)]