9404420

素因数分解:

$2^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{1091}}^1$

素因数の和:1531

約数の個数: 24

約数和(自身を含む): 19813248

約数和(自身を除く): 10408828

約数列:

[1, 2, 4, 5, 10, 20, 431, 862, 1091, 1724, 2155, 2182, 4310, 4364, 5455, 8620, 10910, 21820, 470221, 940442, 1880884, 2351105, 4702210, 9404420]

約数ペア:

[(1, 9404420), (2, 4702210), (4, 2351105), (5, 1880884), (10, 940442), (20, 470221), (431, 21820), (862, 10910), (1091, 8620), (1724, 5455), (2155, 4364), (2182, 4310)]