20804766544

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{6600497}}^1$

素因数の和:6600702

約数の個数: 20

約数和(自身を含む): 40513856724

約数和(自身を除く): 19709090180

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 6600497, 13200994, 26401988, 52803976, 105607952, 1300297909, 2600595818, 5201191636, 10402383272, 20804766544]

約数ペア:

[(1, 20804766544), (2, 10402383272), (4, 5201191636), (8, 2600595818), (16, 1300297909), (197, 105607952), (394, 52803976), (788, 26401988), (1576, 13200994), (3152, 6600497)]