20007949815

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{456959}}^1$

素因数の和:457116

約数の個数: 48

約数和(自身を含む): 39920025600

約数和(自身を除く): 19912075785

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 139, 315, 417, 695, 973, 1251, 2085, 2919, 4865, 6255, 8757, 14595, 43785, 456959, 1370877, 2284795, 3198713, 4112631, 6854385, 9596139, 15993565, 20563155, 28788417, 47980695, 63517301, 143942085, 190551903, 317586505, 444621107, 571655709, 952759515, 1333863321, 2223105535, 2858278545, 4001589963, 6669316605, 20007949815]

約数ペア:

[(1, 20007949815), (3, 6669316605), (5, 4001589963), (7, 2858278545), (9, 2223105535), (15, 1333863321), (21, 952759515), (35, 571655709), (45, 444621107), (63, 317586505), (105, 190551903), (139, 143942085), (315, 63517301), (417, 47980695), (695, 28788417), (973, 20563155), (1251, 15993565), (2085, 9596139), (2919, 6854385), (4865, 4112631), (6255, 3198713), (8757, 2284795), (14595, 1370877), (43785, 456959)]