20595365

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:341

約数の個数: 32

約数和(自身を含む): 29652480

約数和(自身を除く): 9057115

約数列:

[1, 5, 7, 29, 35, 103, 145, 197, 203, 515, 721, 985, 1015, 1379, 2987, 3605, 5713, 6895, 14935, 20291, 20909, 28565, 39991, 101455, 104545, 142037, 199955, 588439, 710185, 2942195, 4119073, 20595365]

約数ペア:

[(1, 20595365), (5, 4119073), (7, 2942195), (29, 710185), (35, 588439), (103, 199955), (145, 142037), (197, 104545), (203, 101455), (515, 39991), (721, 28565), (985, 20909), (1015, 20291), (1379, 14935), (2987, 6895), (3605, 5713)]