20423117

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{569}}^1$

素因数の和:844

約数の個数: 16

約数和(自身を含む): 24131520

約数和(自身を除く): 3708403

約数列:

[1, 11, 13, 143, 251, 569, 2761, 3263, 6259, 7397, 35893, 81367, 142819, 1571009, 1856647, 20423117]

約数ペア:

[(1, 20423117), (11, 1856647), (13, 1571009), (143, 142819), (251, 81367), (569, 35893), (2761, 7397), (3263, 6259)]