20740609

素因数分解:

${\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{181}}^1$

素因数の和:400

約数の個数: 16

約数和(自身を含む): 22684480

約数和(自身を除く): 1943871

約数列:

[1, 19, 37, 163, 181, 703, 3097, 3439, 6031, 6697, 29503, 114589, 127243, 560557, 1091611, 20740609]

約数ペア:

[(1, 20740609), (19, 1091611), (37, 560557), (163, 127243), (181, 114589), (703, 29503), (3097, 6697), (3439, 6031)]