20007327280

素因数分解:

$2^4\times 5^1\times {\mathrm{26597}}^1\times {\mathrm{9403}}^1$

素因数の和:36013

約数の個数: 40

約数和(自身を含む): 46523732112

約数和(自身を除く): 26516404832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 9403, 18806, 26597, 37612, 47015, 53194, 75224, 94030, 106388, 132985, 150448, 188060, 212776, 265970, 376120, 425552, 531940, 752240, 1063880, 2127760, 250091591, 500183182, 1000366364, 1250457955, 2000732728, 2500915910, 4001465456, 5001831820, 10003663640, 20007327280]

約数ペア:

[(1, 20007327280), (2, 10003663640), (4, 5001831820), (5, 4001465456), (8, 2500915910), (10, 2000732728), (16, 1250457955), (20, 1000366364), (40, 500183182), (80, 250091591), (9403, 2127760), (18806, 1063880), (26597, 752240), (37612, 531940), (47015, 425552), (53194, 376120), (75224, 265970), (94030, 212776), (106388, 188060), (132985, 150448)]