20216402091

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{14681483}}^1$

素因数の和:14681512

約数の個数: 20

約数和(自身を含む): 31976272152

約数和(自身を除く): 11759870061

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 14681483, 44044449, 132133347, 249585211, 396400041, 748755633, 1189200123, 2246266899, 6738800697, 20216402091]

約数ペア:

[(1, 20216402091), (3, 6738800697), (9, 2246266899), (17, 1189200123), (27, 748755633), (51, 396400041), (81, 249585211), (153, 132133347), (459, 44044449), (1377, 14681483)]