20120155960

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1453}}^1\times {\mathrm{3361}}^1$

素因数の和:4928

約数の個数: 64

約数和(自身を含む): 45754937280

約数和(自身を除く): 25634781320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 1453, 2060, 2906, 3361, 4120, 5812, 6722, 7265, 11624, 13444, 14530, 16805, 26888, 29060, 33610, 58120, 67220, 134440, 149659, 299318, 346183, 598636, 692366, 748295, 1197272, 1384732, 1496590, 1730915, 2769464, 2993180, 3461830, 4883533, 5986360, 6923660, 9767066, 13847320, 19534132, 24417665, 39068264, 48835330, 97670660, 195341320, 503003899, 1006007798, 2012015596, 2515019495, 4024031192, 5030038990, 10060077980, 20120155960]

約数ペア:

[(1, 20120155960), (2, 10060077980), (4, 5030038990), (5, 4024031192), (8, 2515019495), (10, 2012015596), (20, 1006007798), (40, 503003899), (103, 195341320), (206, 97670660), (412, 48835330), (515, 39068264), (824, 24417665), (1030, 19534132), (1453, 13847320), (2060, 9767066), (2906, 6923660), (3361, 5986360), (4120, 4883533), (5812, 3461830), (6722, 2993180), (7265, 2769464), (11624, 1730915), (13444, 1496590), (14530, 1384732), (16805, 1197272), (26888, 748295), (29060, 692366), (33610, 598636), (58120, 346183), (67220, 299318), (134440, 149659)]