20878544

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{18379}}^1$

素因数の和:18458

約数の個数: 20

約数和(自身を含む): 41024160

約数和(自身を除く): 20145616

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 18379, 36758, 73516, 147032, 294064, 1304909, 2609818, 5219636, 10439272, 20878544]

約数ペア:

[(1, 20878544), (2, 10439272), (4, 5219636), (8, 2609818), (16, 1304909), (71, 294064), (142, 147032), (284, 73516), (568, 36758), (1136, 18379)]