20506352

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{75391}}^1$

素因数の和:75416

約数の個数: 20

約数和(自身を含む): 42068736

約数和(自身を除く): 21562384

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 75391, 150782, 301564, 603128, 1206256, 1281647, 2563294, 5126588, 10253176, 20506352]

約数ペア:

[(1, 20506352), (2, 10253176), (4, 5126588), (8, 2563294), (16, 1281647), (17, 1206256), (34, 603128), (68, 301564), (136, 150782), (272, 75391)]