20788331

素因数分解:

${\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{283}}^1$

素因数の和:478

約数の個数: 16

約数和(自身を含む): 23004000

約数和(自身を除く): 2215669

約数列:

[1, 17, 29, 149, 283, 493, 2533, 4321, 4811, 8207, 42167, 73457, 139519, 716839, 1222843, 20788331]

約数ペア:

[(1, 20788331), (17, 1222843), (29, 716839), (149, 139519), (283, 73457), (493, 42167), (2533, 8207), (4321, 4811)]