20210738199

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1\times {\mathrm{647}}^1\times {\mathrm{881}}^1$

素因数の和:1807

約数の個数: 32

約数和(自身を含む): 27653197824

約数和(自身を除く): 7442459625

約数列:

[1, 3, 53, 159, 223, 647, 669, 881, 1941, 2643, 11819, 34291, 35457, 46693, 102873, 140079, 144281, 196463, 432843, 570007, 589389, 1710021, 7646893, 10412539, 22940679, 30210371, 31237617, 90631113, 127111561, 381334683, 6736912733, 20210738199]

約数ペア:

[(1, 20210738199), (3, 6736912733), (53, 381334683), (159, 127111561), (223, 90631113), (647, 31237617), (669, 30210371), (881, 22940679), (1941, 10412539), (2643, 7646893), (11819, 1710021), (34291, 589389), (35457, 570007), (46693, 432843), (102873, 196463), (140079, 144281)]