20507655240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{56965709}}^1$

素因数の和:56965726

約数の個数: 48

約数和(自身を含む): 66649880700

約数和(自身を除く): 46142225460

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, 56965709, 113931418, 170897127, 227862836, 284828545, 341794254, 455725672, 512691381, 569657090, 683588508, 854485635, 1025382762, 1139314180, 1367177016, 1708971270, 2050765524, 2278628360, 2563456905, 3417942540, 4101531048, 5126913810, 6835885080, 10253827620, 20507655240]

約数ペア:

[(1, 20507655240), (2, 10253827620), (3, 6835885080), (4, 5126913810), (5, 4101531048), (6, 3417942540), (8, 2563456905), (9, 2278628360), (10, 2050765524), (12, 1708971270), (15, 1367177016), (18, 1139314180), (20, 1025382762), (24, 854485635), (30, 683588508), (36, 569657090), (40, 512691381), (45, 455725672), (60, 341794254), (72, 284828545), (90, 227862836), (120, 170897127), (180, 113931418), (360, 56965709)]