20171248

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{74159}}^1$

素因数の和:74184

約数の個数: 20

約数和(自身を含む): 41381280

約数和(自身を除く): 21210032

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 74159, 148318, 296636, 593272, 1186544, 1260703, 2521406, 5042812, 10085624, 20171248]

約数ペア:

[(1, 20171248), (2, 10085624), (4, 5042812), (8, 2521406), (16, 1260703), (17, 1186544), (34, 593272), (68, 296636), (136, 148318), (272, 74159)]