20197600527

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1\times {\mathrm{25523}}^1$

素因数の和:25839

約数の個数: 32

約数和(自身を含む): 29433051648

約数和(自身を除く): 9235451121

約数列:

[1, 3, 13, 39, 103, 197, 309, 591, 1339, 2561, 4017, 7683, 20291, 25523, 60873, 76569, 263783, 331799, 791349, 995397, 2628869, 5028031, 7886607, 15084093, 34175297, 65364403, 102525891, 196093209, 517887193, 1553661579, 6732533509, 20197600527]

約数ペア:

[(1, 20197600527), (3, 6732533509), (13, 1553661579), (39, 517887193), (103, 196093209), (197, 102525891), (309, 65364403), (591, 34175297), (1339, 15084093), (2561, 7886607), (4017, 5028031), (7683, 2628869), (20291, 995397), (25523, 791349), (60873, 331799), (76569, 263783)]