20857422

素因数分解:

$2^1\times 3^1\times {\mathrm{79}}^2\times {\mathrm{557}}^1$

素因数の和:720

約数の個数: 24

約数和(自身を含む): 42325416

約数和(自身を除く): 21467994

約数列:

[1, 2, 3, 6, 79, 158, 237, 474, 557, 1114, 1671, 3342, 6241, 12482, 18723, 37446, 44003, 88006, 132009, 264018, 3476237, 6952474, 10428711, 20857422]

約数ペア:

[(1, 20857422), (2, 10428711), (3, 6952474), (6, 3476237), (79, 264018), (158, 132009), (237, 88006), (474, 44003), (557, 37446), (1114, 18723), (1671, 12482), (3342, 6241)]