20528160

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{42767}}^1$

素因数の和:42785

約数の個数: 48

約数和(自身を含む): 64665216

約数和(自身を除く): 44137056

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 42767, 85534, 128301, 171068, 213835, 256602, 342136, 427670, 513204, 641505, 684272, 855340, 1026408, 1283010, 1368544, 1710680, 2052816, 2566020, 3421360, 4105632, 5132040, 6842720, 10264080, 20528160]

約数ペア:

[(1, 20528160), (2, 10264080), (3, 6842720), (4, 5132040), (5, 4105632), (6, 3421360), (8, 2566020), (10, 2052816), (12, 1710680), (15, 1368544), (16, 1283010), (20, 1026408), (24, 855340), (30, 684272), (32, 641505), (40, 513204), (48, 427670), (60, 342136), (80, 256602), (96, 213835), (120, 171068), (160, 128301), (240, 85534), (480, 42767)]