20199897993

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{16543733}}^1$

素因数の和:16543784

約数の個数: 16

約数和(自身を含む): 30175770816

約数和(自身を除く): 9975872823

約数列:

[1, 3, 11, 33, 37, 111, 407, 1221, 16543733, 49631199, 181981063, 545943189, 612118121, 1836354363, 6733299331, 20199897993]

約数ペア:

[(1, 20199897993), (3, 6733299331), (11, 1836354363), (33, 612118121), (37, 545943189), (111, 181981063), (407, 49631199), (1221, 16543733)]