20413990

素因数分解:

$2^1\times 5^1\times {\mathrm{353}}^1\times {\mathrm{5783}}^1$

素因数の和:6143

約数の個数: 16

約数和(自身を含む): 36855648

約数和(自身を除く): 16441658

約数列:

[1, 2, 5, 10, 353, 706, 1765, 3530, 5783, 11566, 28915, 57830, 2041399, 4082798, 10206995, 20413990]

約数ペア:

[(1, 20413990), (2, 10206995), (5, 4082798), (10, 2041399), (353, 57830), (706, 28915), (1765, 11566), (3530, 5783)]