20525972

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{331}}^1\times {\mathrm{419}}^1$

素因数の和:791

約数の個数: 24

約数和(自身を含む): 37091040

約数和(自身を除く): 16565068

約数列:

[1, 2, 4, 37, 74, 148, 331, 419, 662, 838, 1324, 1676, 12247, 15503, 24494, 31006, 48988, 62012, 138689, 277378, 554756, 5131493, 10262986, 20525972]

約数ペア:

[(1, 20525972), (2, 10262986), (4, 5131493), (37, 554756), (74, 277378), (148, 138689), (331, 62012), (419, 48988), (662, 31006), (838, 24494), (1324, 15503), (1676, 12247)]