20081913

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{1453}}^1$

素因数の和:1744

約数の個数: 16

約数和(自身を含む): 28475136

約数和(自身を除く): 8393223

約数列:

[1, 3, 17, 51, 271, 813, 1453, 4359, 4607, 13821, 24701, 74103, 393763, 1181289, 6693971, 20081913]

約数ペア:

[(1, 20081913), (3, 6693971), (17, 1181289), (51, 393763), (271, 74103), (813, 24701), (1453, 13821), (4359, 4607)]