20295720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{56377}}^1$

素因数の和:56394

約数の個数: 48

約数和(自身を含む): 65962260

約数和(自身を除く): 45666540

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 56377, 112754, 169131, 225508, 281885, 338262, 451016, 507393, 563770, 676524, 845655, 1014786, 1127540, 1353048, 1691310, 2029572, 2255080, 2536965, 3382620, 4059144, 5073930, 6765240, 10147860, 20295720]

約数ペア:

[(1, 20295720), (2, 10147860), (3, 6765240), (4, 5073930), (5, 4059144), (6, 3382620), (8, 2536965), (9, 2255080), (10, 2029572), (12, 1691310), (15, 1353048), (18, 1127540), (20, 1014786), (24, 845655), (30, 676524), (36, 563770), (40, 507393), (45, 451016), (60, 338262), (72, 281885), (90, 225508), (120, 169131), (180, 112754), (360, 56377)]