20604448960

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2220307}}^1$

素因数の和:2220353

約数の個数: 56

約数和(自身を含む): 50756240880

約数和(自身を除く): 30151791920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 145, 160, 232, 290, 320, 464, 580, 928, 1160, 1856, 2320, 4640, 9280, 2220307, 4440614, 8881228, 11101535, 17762456, 22203070, 35524912, 44406140, 64388903, 71049824, 88812280, 128777806, 142099648, 177624560, 257555612, 321944515, 355249120, 515111224, 643889030, 710498240, 1030222448, 1287778060, 2060444896, 2575556120, 4120889792, 5151112240, 10302224480, 20604448960]

約数ペア:

[(1, 20604448960), (2, 10302224480), (4, 5151112240), (5, 4120889792), (8, 2575556120), (10, 2060444896), (16, 1287778060), (20, 1030222448), (29, 710498240), (32, 643889030), (40, 515111224), (58, 355249120), (64, 321944515), (80, 257555612), (116, 177624560), (145, 142099648), (160, 128777806), (232, 88812280), (290, 71049824), (320, 64388903), (464, 44406140), (580, 35524912), (928, 22203070), (1160, 17762456), (1856, 11101535), (2320, 8881228), (4640, 4440614), (9280, 2220307)]