20180959675

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{307}}^1\times {\mathrm{1129}}^1$

素因数の和:1600

約数の個数: 48

約数和(自身を含む): 26800472160

約数和(自身を除く): 6619512485

約数列:

[1, 5, 17, 25, 85, 137, 307, 425, 685, 1129, 1535, 2329, 3425, 5219, 5645, 7675, 11645, 19193, 26095, 28225, 42059, 58225, 95965, 130475, 154673, 210295, 346603, 479825, 715003, 773365, 1051475, 1733015, 2629441, 3575015, 3866825, 5892251, 8665075, 13147205, 17875075, 29461255, 47484611, 65736025, 147306275, 237423055, 807238387, 1187115275, 4036191935, 20180959675]

約数ペア:

[(1, 20180959675), (5, 4036191935), (17, 1187115275), (25, 807238387), (85, 237423055), (137, 147306275), (307, 65736025), (425, 47484611), (685, 29461255), (1129, 17875075), (1535, 13147205), (2329, 8665075), (3425, 5892251), (5219, 3866825), (5645, 3575015), (7675, 2629441), (11645, 1733015), (19193, 1051475), (26095, 773365), (28225, 715003), (42059, 479825), (58225, 346603), (95965, 210295), (130475, 154673)]