20445142

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1\times {\mathrm{1493}}^1$

素因数の和:1703

約数の個数: 16

約数和(自身を含む): 31624992

約数和(自身を除く): 11179850

約数列:

[1, 2, 41, 82, 167, 334, 1493, 2986, 6847, 13694, 61213, 122426, 249331, 498662, 10222571, 20445142]

約数ペア:

[(1, 20445142), (2, 10222571), (41, 498662), (82, 249331), (167, 122426), (334, 61213), (1493, 13694), (2986, 6847)]