20762010

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{661}}^1$

素因数の和:1023

約数の個数: 48

約数和(自身を含む): 54217800

約数和(自身を除く): 33455790

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 349, 661, 698, 1047, 1322, 1745, 1983, 2094, 3141, 3305, 3490, 3966, 5235, 5949, 6282, 6610, 9915, 10470, 11898, 15705, 19830, 29745, 31410, 59490, 230689, 461378, 692067, 1153445, 1384134, 2076201, 2306890, 3460335, 4152402, 6920670, 10381005, 20762010]

約数ペア:

[(1, 20762010), (2, 10381005), (3, 6920670), (5, 4152402), (6, 3460335), (9, 2306890), (10, 2076201), (15, 1384134), (18, 1153445), (30, 692067), (45, 461378), (90, 230689), (349, 59490), (661, 31410), (698, 29745), (1047, 19830), (1322, 15705), (1745, 11898), (1983, 10470), (2094, 9915), (3141, 6610), (3305, 6282), (3490, 5949), (3966, 5235)]