20661036135

素因数分解:

$3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{5487659}}^1$

素因数の和:5487918

約数の個数: 16

約数和(自身を含む): 33189367680

約数和(自身を除く): 12528331545

約数列:

[1, 3, 5, 15, 251, 753, 1255, 3765, 5487659, 16462977, 27438295, 82314885, 1377402409, 4132207227, 6887012045, 20661036135]

約数ペア:

[(1, 20661036135), (3, 6887012045), (5, 4132207227), (15, 1377402409), (251, 82314885), (753, 27438295), (1255, 16462977), (3765, 5487659)]