20717367515

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{29303}}^1$

素因数の和:29543

約数の個数: 32

約数和(自身を含む): 27323049600

約数和(自身を除く): 6605682085

約数列:

[1, 5, 13, 65, 73, 149, 365, 745, 949, 1937, 4745, 9685, 10877, 29303, 54385, 141401, 146515, 380939, 707005, 1904695, 2139119, 4366147, 10695595, 21830735, 27808547, 56759911, 139042735, 283799555, 318728731, 1593643655, 4143473503, 20717367515]

約数ペア:

[(1, 20717367515), (5, 4143473503), (13, 1593643655), (65, 318728731), (73, 283799555), (149, 139042735), (365, 56759911), (745, 27808547), (949, 21830735), (1937, 10695595), (4745, 4366147), (9685, 2139119), (10877, 1904695), (29303, 707005), (54385, 380939), (141401, 146515)]