20637480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{229}}^1\times {\mathrm{751}}^1$

素因数の和:994

約数の個数: 64

約数和(自身を含む): 62265600

約数和(自身を除く): 41628120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 229, 458, 687, 751, 916, 1145, 1374, 1502, 1832, 2253, 2290, 2748, 3004, 3435, 3755, 4506, 4580, 5496, 6008, 6870, 7510, 9012, 9160, 11265, 13740, 15020, 18024, 22530, 27480, 30040, 45060, 90120, 171979, 343958, 515937, 687916, 859895, 1031874, 1375832, 1719790, 2063748, 2579685, 3439580, 4127496, 5159370, 6879160, 10318740, 20637480]

約数ペア:

[(1, 20637480), (2, 10318740), (3, 6879160), (4, 5159370), (5, 4127496), (6, 3439580), (8, 2579685), (10, 2063748), (12, 1719790), (15, 1375832), (20, 1031874), (24, 859895), (30, 687916), (40, 515937), (60, 343958), (120, 171979), (229, 90120), (458, 45060), (687, 30040), (751, 27480), (916, 22530), (1145, 18024), (1374, 15020), (1502, 13740), (1832, 11265), (2253, 9160), (2290, 9012), (2748, 7510), (3004, 6870), (3435, 6008), (3755, 5496), (4506, 4580)]