20091695

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{3001}}^1$

素因数の和:3122

約数の個数: 16

約数和(自身を含む): 26225472

約数和(自身を除く): 6133777

約数列:

[1, 5, 13, 65, 103, 515, 1339, 3001, 6695, 15005, 39013, 195065, 309103, 1545515, 4018339, 20091695]

約数ペア:

[(1, 20091695), (5, 4018339), (13, 1545515), (65, 309103), (103, 195065), (515, 39013), (1339, 15005), (3001, 6695)]