20952045

素因数分解:

$3^2\times 5^1\times {\mathrm{563}}^1\times {\mathrm{827}}^1$

素因数の和:1401

約数の個数: 24

約数和(自身を含む): 36425376

約数和(自身を除く): 15473331

約数列:

[1, 3, 5, 9, 15, 45, 563, 827, 1689, 2481, 2815, 4135, 5067, 7443, 8445, 12405, 25335, 37215, 465601, 1396803, 2328005, 4190409, 6984015, 20952045]

約数ペア:

[(1, 20952045), (3, 6984015), (5, 4190409), (9, 2328005), (15, 1396803), (45, 465601), (563, 37215), (827, 25335), (1689, 12405), (2481, 8445), (2815, 7443), (4135, 5067)]