20510777

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1\times {\mathrm{433}}^1$

素因数の和:608

約数の個数: 16

約数和(自身を含む): 24081792

約数和(自身を除く): 3571015

約数列:

[1, 7, 67, 101, 433, 469, 707, 3031, 6767, 29011, 43733, 47369, 203077, 306131, 2930111, 20510777]

約数ペア:

[(1, 20510777), (7, 2930111), (67, 306131), (101, 203077), (433, 47369), (469, 43733), (707, 29011), (3031, 6767)]