20362839

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{359}}^1$

素因数の和:479

約数の個数: 32

約数和(自身を含む): 32394240

約数和(自身を除く): 12031401

約数列:

[1, 3, 7, 21, 37, 73, 111, 219, 259, 359, 511, 777, 1077, 1533, 2513, 2701, 7539, 8103, 13283, 18907, 26207, 39849, 56721, 78621, 92981, 183449, 278943, 550347, 969659, 2908977, 6787613, 20362839]

約数ペア:

[(1, 20362839), (3, 6787613), (7, 2908977), (21, 969659), (37, 550347), (73, 278943), (111, 183449), (219, 92981), (259, 78621), (359, 56721), (511, 39849), (777, 26207), (1077, 18907), (1533, 13283), (2513, 8103), (2701, 7539)]