20540368

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{67567}}^1$

素因数の和:67594

約数の個数: 20

約数和(自身を含む): 41892160

約数和(自身を除く): 21351792

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 67567, 135134, 270268, 540536, 1081072, 1283773, 2567546, 5135092, 10270184, 20540368]

約数ペア:

[(1, 20540368), (2, 10270184), (4, 5135092), (8, 2567546), (16, 1283773), (19, 1081072), (38, 540536), (76, 270268), (152, 135134), (304, 67567)]