20362905

素因数分解:

$3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2297}}^1$

素因数の和:2505

約数の個数: 24

約数和(自身を含む): 35490312

約数和(自身を除く): 15127407

約数列:

[1, 3, 5, 9, 15, 45, 197, 591, 985, 1773, 2297, 2955, 6891, 8865, 11485, 20673, 34455, 103365, 452509, 1357527, 2262545, 4072581, 6787635, 20362905]

約数ペア:

[(1, 20362905), (3, 6787635), (5, 4072581), (9, 2262545), (15, 1357527), (45, 452509), (197, 103365), (591, 34455), (985, 20673), (1773, 11485), (2297, 8865), (2955, 6891)]