20163586700

素因数分解:

$2^2\times 5^2\times {\mathrm{12821}}^1\times {\mathrm{15727}}^1$

素因数の和:28562

約数の個数: 36

約数和(自身を含む): 43761178272

約数和(自身を除く): 23597591572

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 12821, 15727, 25642, 31454, 51284, 62908, 64105, 78635, 128210, 157270, 256420, 314540, 320525, 393175, 641050, 786350, 1282100, 1572700, 201635867, 403271734, 806543468, 1008179335, 2016358670, 4032717340, 5040896675, 10081793350, 20163586700]

約数ペア:

[(1, 20163586700), (2, 10081793350), (4, 5040896675), (5, 4032717340), (10, 2016358670), (20, 1008179335), (25, 806543468), (50, 403271734), (100, 201635867), (12821, 1572700), (15727, 1282100), (25642, 786350), (31454, 641050), (51284, 393175), (62908, 320525), (64105, 314540), (78635, 256420), (128210, 157270)]