20547284

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{7307}}^1$

素因数の和:7367

約数の個数: 24

約数和(自身を含む): 38878560

約数和(自身を除く): 18331276

約数列:

[1, 2, 4, 19, 37, 38, 74, 76, 148, 703, 1406, 2812, 7307, 14614, 29228, 138833, 270359, 277666, 540718, 555332, 1081436, 5136821, 10273642, 20547284]

約数ペア:

[(1, 20547284), (2, 10273642), (4, 5136821), (19, 1081436), (37, 555332), (38, 540718), (74, 277666), (76, 270359), (148, 138833), (703, 29228), (1406, 14614), (2812, 7307)]