20001782721

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{683}}^1\times {\mathrm{424423}}^1$

素因数の和:425132

約数の個数: 16

約数和(自身を含む): 27869377536

約数和(自身を除く): 7867594815

約数列:

[1, 3, 23, 69, 683, 2049, 15709, 47127, 424423, 1273269, 9761729, 29285187, 289880909, 869642727, 6667260907, 20001782721]

約数ペア:

[(1, 20001782721), (3, 6667260907), (23, 869642727), (69, 289880909), (683, 29285187), (2049, 9761729), (15709, 1273269), (47127, 424423)]