20246320

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{14887}}^1$

素因数の和:14917

約数の個数: 40

約数和(自身を含む): 49845024

約数和(自身を除く): 29598704

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 14887, 29774, 59548, 74435, 119096, 148870, 238192, 253079, 297740, 506158, 595480, 1012316, 1190960, 1265395, 2024632, 2530790, 4049264, 5061580, 10123160, 20246320]

約数ペア:

[(1, 20246320), (2, 10123160), (4, 5061580), (5, 4049264), (8, 2530790), (10, 2024632), (16, 1265395), (17, 1190960), (20, 1012316), (34, 595480), (40, 506158), (68, 297740), (80, 253079), (85, 238192), (136, 148870), (170, 119096), (272, 74435), (340, 59548), (680, 29774), (1360, 14887)]