20949285

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1571}}^1$

素因数の和:1713

約数の個数: 32

約数和(自身を含む): 38633472

約数和(自身を除く): 17684187

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 127, 381, 635, 889, 1571, 1905, 2667, 4445, 4713, 7855, 10997, 13335, 23565, 32991, 54985, 164955, 199517, 598551, 997585, 1396619, 2992755, 4189857, 6983095, 20949285]

約数ペア:

[(1, 20949285), (3, 6983095), (5, 4189857), (7, 2992755), (15, 1396619), (21, 997585), (35, 598551), (105, 199517), (127, 164955), (381, 54985), (635, 32991), (889, 23565), (1571, 13335), (1905, 10997), (2667, 7855), (4445, 4713)]