20110394408

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{497093}}^1$

素因数の和:497501

約数の個数: 32

約数和(自身を含む): 40711998600

約数和(自身を除く): 20601604192

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 389, 778, 1556, 3112, 5057, 10114, 20228, 40456, 497093, 994186, 1988372, 3976744, 6462209, 12924418, 25848836, 51697672, 193369177, 386738354, 773476708, 1546953416, 2513799301, 5027598602, 10055197204, 20110394408]

約数ペア:

[(1, 20110394408), (2, 10055197204), (4, 5027598602), (8, 2513799301), (13, 1546953416), (26, 773476708), (52, 386738354), (104, 193369177), (389, 51697672), (778, 25848836), (1556, 12924418), (3112, 6462209), (5057, 3976744), (10114, 1988372), (20228, 994186), (40456, 497093)]