20216071645

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{181693}}^1$

素因数の和:181750

約数の個数: 48

約数和(自身を含む): 32129313408

約数和(自身を除く): 11913241763

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 119, 187, 289, 385, 595, 935, 1309, 1445, 2023, 3179, 6545, 10115, 15895, 22253, 111265, 181693, 908465, 1271851, 1998623, 3088781, 6359255, 9993115, 13990361, 15443905, 21621467, 33976591, 52509277, 69951805, 108107335, 169882955, 237836137, 262546385, 367564939, 577602047, 1189180685, 1837824695, 2888010235, 4043214329, 20216071645]

約数ペア:

[(1, 20216071645), (5, 4043214329), (7, 2888010235), (11, 1837824695), (17, 1189180685), (35, 577602047), (55, 367564939), (77, 262546385), (85, 237836137), (119, 169882955), (187, 108107335), (289, 69951805), (385, 52509277), (595, 33976591), (935, 21621467), (1309, 15443905), (1445, 13990361), (2023, 9993115), (3179, 6359255), (6545, 3088781), (10115, 1998623), (15895, 1271851), (22253, 908465), (111265, 181693)]