20216444

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{941}}^1$

素因数の和:1117

約数の個数: 24

約数和(自身を含む): 36557136

約数和(自身を除く): 16340692

約数列:

[1, 2, 4, 41, 82, 131, 164, 262, 524, 941, 1882, 3764, 5371, 10742, 21484, 38581, 77162, 123271, 154324, 246542, 493084, 5054111, 10108222, 20216444]

約数ペア:

[(1, 20216444), (2, 10108222), (4, 5054111), (41, 493084), (82, 246542), (131, 154324), (164, 123271), (262, 77162), (524, 38581), (941, 21484), (1882, 10742), (3764, 5371)]