20075510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1697}}^1$

素因数の和:1737

約数の個数: 48

約数和(自身を含む): 44745696

約数和(自身を除く): 24670186

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 169, 182, 338, 455, 845, 910, 1183, 1690, 1697, 2366, 3394, 5915, 8485, 11830, 11879, 16970, 22061, 23758, 44122, 59395, 110305, 118790, 154427, 220610, 286793, 308854, 573586, 772135, 1433965, 1544270, 2007551, 2867930, 4015102, 10037755, 20075510]

約数ペア:

[(1, 20075510), (2, 10037755), (5, 4015102), (7, 2867930), (10, 2007551), (13, 1544270), (14, 1433965), (26, 772135), (35, 573586), (65, 308854), (70, 286793), (91, 220610), (130, 154427), (169, 118790), (182, 110305), (338, 59395), (455, 44122), (845, 23758), (910, 22061), (1183, 16970), (1690, 11879), (1697, 11830), (2366, 8485), (3394, 5915)]