20797595

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1063}}^1$

素因数の和:1131

約数の個数: 32

約数和(自身を含む): 31460352

約数和(自身を除く): 10662757

約数列:

[1, 5, 7, 13, 35, 43, 65, 91, 215, 301, 455, 559, 1063, 1505, 2795, 3913, 5315, 7441, 13819, 19565, 37205, 45709, 69095, 96733, 228545, 319963, 483665, 594217, 1599815, 2971085, 4159519, 20797595]

約数ペア:

[(1, 20797595), (5, 4159519), (7, 2971085), (13, 1599815), (35, 594217), (43, 483665), (65, 319963), (91, 228545), (215, 96733), (301, 69095), (455, 45709), (559, 37205), (1063, 19565), (1505, 13819), (2795, 7441), (3913, 5315)]