20197599344

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{97103843}}^1$

素因数の和:97103864

約数の個数: 20

約数和(自身を含む): 42143068296

約数和(自身を除く): 21945468952

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 97103843, 194207686, 388415372, 776830744, 1262349959, 1553661488, 2524699918, 5049399836, 10098799672, 20197599344]

約数ペア:

[(1, 20197599344), (2, 10098799672), (4, 5049399836), (8, 2524699918), (13, 1553661488), (16, 1262349959), (26, 776830744), (52, 388415372), (104, 194207686), (208, 97103843)]