20320854

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{997}}^1$

素因数の和:1124

約数の個数: 32

約数和(自身を含む): 42155520

約数和(自身を除く): 21834666

約数列:

[1, 2, 3, 6, 43, 79, 86, 129, 158, 237, 258, 474, 997, 1994, 2991, 3397, 5982, 6794, 10191, 20382, 42871, 78763, 85742, 128613, 157526, 236289, 257226, 472578, 3386809, 6773618, 10160427, 20320854]

約数ペア:

[(1, 20320854), (2, 10160427), (3, 6773618), (6, 3386809), (43, 472578), (79, 257226), (86, 236289), (129, 157526), (158, 128613), (237, 85742), (258, 78763), (474, 42871), (997, 20382), (1994, 10191), (2991, 6794), (3397, 5982)]