20100222779

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{20707}}^1\times {\mathrm{10667}}^1$

素因数の和:31394

約数の個数: 16

約数和(自身を含む): 24742249728

約数和(自身を除く): 4642026949

約数列:

[1, 7, 13, 91, 10667, 20707, 74669, 138671, 144949, 269191, 970697, 1884337, 220881569, 1546170983, 2871460397, 20100222779]

約数ペア:

[(1, 20100222779), (7, 2871460397), (13, 1546170983), (91, 220881569), (10667, 1884337), (20707, 970697), (74669, 269191), (138671, 144949)]