20021516

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{2011}}^1$

素因数の和:2165

約数の個数: 24

約数和(自身を含む): 37181760

約数和(自身を除く): 17160244

約数列:

[1, 2, 4, 19, 38, 76, 131, 262, 524, 2011, 2489, 4022, 4978, 8044, 9956, 38209, 76418, 152836, 263441, 526882, 1053764, 5005379, 10010758, 20021516]

約数ペア:

[(1, 20021516), (2, 10010758), (4, 5005379), (19, 1053764), (38, 526882), (76, 263441), (131, 152836), (262, 76418), (524, 38209), (2011, 9956), (2489, 8044), (4022, 4978)]