20199366928

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{97112341}}^1$

素因数の和:97112362

約数の個数: 20

約数和(自身を含む): 42146756428

約数和(自身を除く): 21947389500

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 97112341, 194224682, 388449364, 776898728, 1262460433, 1553797456, 2524920866, 5049841732, 10099683464, 20199366928]

約数ペア:

[(1, 20199366928), (2, 10099683464), (4, 5049841732), (8, 2524920866), (13, 1553797456), (16, 1262460433), (26, 776898728), (52, 388449364), (104, 194224682), (208, 97112341)]