20163437320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2982757}}^1$

素因数の和:2982794

約数の個数: 48

約数和(自身を含む): 49126024260

約数和(自身を除く): 28962586940

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6760, 2982757, 5965514, 11931028, 14913785, 23862056, 29827570, 38775841, 59655140, 77551682, 119310280, 155103364, 193879205, 310206728, 387758410, 504085933, 775516820, 1008171866, 1551033640, 2016343732, 2520429665, 4032687464, 5040859330, 10081718660, 20163437320]

約数ペア:

[(1, 20163437320), (2, 10081718660), (4, 5040859330), (5, 4032687464), (8, 2520429665), (10, 2016343732), (13, 1551033640), (20, 1008171866), (26, 775516820), (40, 504085933), (52, 387758410), (65, 310206728), (104, 193879205), (130, 155103364), (169, 119310280), (260, 77551682), (338, 59655140), (520, 38775841), (676, 29827570), (845, 23862056), (1352, 14913785), (1690, 11931028), (3380, 5965514), (6760, 2982757)]