20813253

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{6917}}^1$

素因数の和:6996

約数の個数: 16

約数和(自身を含む): 29885760

約数和(自身を除く): 9072507

約数列:

[1, 3, 17, 51, 59, 177, 1003, 3009, 6917, 20751, 117589, 352767, 408103, 1224309, 6937751, 20813253]

約数ペア:

[(1, 20813253), (3, 6937751), (17, 1224309), (51, 408103), (59, 352767), (177, 117589), (1003, 20751), (3009, 6917)]