200720978

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{34981}}^1$

素因数の和:35153

約数の個数: 16

約数和(自身を含む): 319035840

約数和(自身を除く): 118314862

約数列:

[1, 2, 19, 38, 151, 302, 2869, 5738, 34981, 69962, 664639, 1329278, 5282131, 10564262, 100360489, 200720978]

約数ペア:

[(1, 200720978), (2, 100360489), (19, 10564262), (38, 5282131), (151, 1329278), (302, 664639), (2869, 69962), (5738, 34981)]