20020452915

素因数分解:

$3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{997}}^1\times {\mathrm{5209}}^1$

素因数の和:6471

約数の個数: 32

約数和(自身を含む): 32195799360

約数和(自身を除く): 12175346445

約数列:

[1, 3, 5, 15, 257, 771, 997, 1285, 2991, 3855, 4985, 5209, 14955, 15627, 26045, 78135, 256229, 768687, 1281145, 1338713, 3843435, 4016139, 5193373, 6693565, 15580119, 20080695, 25966865, 77900595, 1334696861, 4004090583, 6673484305, 20020452915]

約数ペア:

[(1, 20020452915), (3, 6673484305), (5, 4004090583), (15, 1334696861), (257, 77900595), (771, 25966865), (997, 20080695), (1285, 15580119), (2991, 6693565), (3855, 5193373), (4985, 4016139), (5209, 3843435), (14955, 1338713), (15627, 1281145), (26045, 768687), (78135, 256229)]