20423028495

素因数分解:

$3^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{439}}^1\times {\mathrm{7583}}^1$

素因数の和:8439

約数の個数: 32

約数和(自身を含む): 32835686400

約数和(自身を除く): 12412657905

約数列:

[1, 3, 5, 15, 409, 439, 1227, 1317, 2045, 2195, 6135, 6585, 7583, 22749, 37915, 113745, 179551, 538653, 897755, 2693265, 3101447, 3328937, 9304341, 9986811, 15507235, 16644685, 46521705, 49934055, 1361535233, 4084605699, 6807676165, 20423028495]

約数ペア:

[(1, 20423028495), (3, 6807676165), (5, 4084605699), (15, 1361535233), (409, 49934055), (439, 46521705), (1227, 16644685), (1317, 15507235), (2045, 9986811), (2195, 9304341), (6135, 3328937), (6585, 3101447), (7583, 2693265), (22749, 897755), (37915, 538653), (113745, 179551)]