20171085904

素因数分解:

$2^4\times {\mathrm{18439}}^1\times {\mathrm{68371}}^1$

素因数の和:86818

約数の個数: 20

約数和(自身を含む): 39084170080

約数和(自身を除く): 18913084176

約数列:

[1, 2, 4, 8, 16, 18439, 36878, 68371, 73756, 136742, 147512, 273484, 295024, 546968, 1093936, 1260692869, 2521385738, 5042771476, 10085542952, 20171085904]

約数ペア:

[(1, 20171085904), (2, 10085542952), (4, 5042771476), (8, 2521385738), (16, 1260692869), (18439, 1093936), (36878, 546968), (68371, 295024), (73756, 273484), (136742, 147512)]