20867170

素因数分解:

$2^1\times 5^1\times {\mathrm{631}}^1\times {\mathrm{3307}}^1$

素因数の和:3945

約数の個数: 16

約数和(自身を含む): 37631808

約数和(自身を除く): 16764638

約数列:

[1, 2, 5, 10, 631, 1262, 3155, 3307, 6310, 6614, 16535, 33070, 2086717, 4173434, 10433585, 20867170]

約数ペア:

[(1, 20867170), (2, 10433585), (5, 4173434), (10, 2086717), (631, 33070), (1262, 16535), (3155, 6614), (3307, 6310)]