38952020

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{27431}}^1$

素因数の和:27511

約数の個数: 24

約数和(自身を含む): 82954368

約数和(自身を除く): 44002348

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 27431, 54862, 109724, 137155, 274310, 548620, 1947601, 3895202, 7790404, 9738005, 19476010, 38952020]

約数ペア:

[(1, 38952020), (2, 19476010), (4, 9738005), (5, 7790404), (10, 3895202), (20, 1947601), (71, 548620), (142, 274310), (284, 137155), (355, 109724), (710, 54862), (1420, 27431)]