20322685

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:249

約数の個数: 32

約数和(自身を含む): 27371520

約数和(自身を除く): 7048835

約数列:

[1, 5, 19, 23, 71, 95, 115, 131, 355, 437, 655, 1349, 1633, 2185, 2489, 3013, 6745, 8165, 9301, 12445, 15065, 31027, 46505, 57247, 155135, 176719, 213923, 286235, 883595, 1069615, 4064537, 20322685]

約数ペア:

[(1, 20322685), (5, 4064537), (19, 1069615), (23, 883595), (71, 286235), (95, 213923), (115, 176719), (131, 155135), (355, 57247), (437, 46505), (655, 31027), (1349, 15065), (1633, 12445), (2185, 9301), (2489, 8165), (3013, 6745)]