20803971

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{619}}^1\times {\mathrm{659}}^1$

素因数の和:1298

約数の個数: 16

約数和(自身を含む): 29462400

約数和(自身を除く): 8658429

約数列:

[1, 3, 17, 51, 619, 659, 1857, 1977, 10523, 11203, 31569, 33609, 407921, 1223763, 6934657, 20803971]

約数ペア:

[(1, 20803971), (3, 6934657), (17, 1223763), (51, 407921), (619, 33609), (659, 31569), (1857, 11203), (1977, 10523)]