20199931905

素因数分解:

$3^1\times 5^1\times {\mathrm{1657}}^1\times {\mathrm{812711}}^1$

素因数の和:814376

約数の個数: 16

約数和(自身を含む): 32339435904

約数和(自身を除く): 12139503999

約数列:

[1, 3, 5, 15, 1657, 4971, 8285, 24855, 812711, 2438133, 4063555, 12190665, 1346662127, 4039986381, 6733310635, 20199931905]

約数ペア:

[(1, 20199931905), (3, 6733310635), (5, 4039986381), (15, 1346662127), (1657, 12190665), (4971, 4063555), (8285, 2438133), (24855, 812711)]