20372055

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{397}}^1$

素因数の和:727

約数の個数: 32

約数和(自身を含む): 35762688

約数和(自身を除く): 15390633

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 311, 397, 933, 1191, 1555, 1985, 3421, 4367, 4665, 5955, 10263, 13101, 17105, 21835, 51315, 65505, 123467, 370401, 617335, 1358137, 1852005, 4074411, 6790685, 20372055]

約数ペア:

[(1, 20372055), (3, 6790685), (5, 4074411), (11, 1852005), (15, 1358137), (33, 617335), (55, 370401), (165, 123467), (311, 65505), (397, 51315), (933, 21835), (1191, 17105), (1555, 13101), (1985, 10263), (3421, 5955), (4367, 4665)]