20496660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1361}}^1$

素因数の和:1624

約数の個数: 48

約数和(自身を含む): 57661632

約数和(自身を除く): 37164972

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 251, 502, 753, 1004, 1255, 1361, 1506, 2510, 2722, 3012, 3765, 4083, 5020, 5444, 6805, 7530, 8166, 13610, 15060, 16332, 20415, 27220, 40830, 81660, 341611, 683222, 1024833, 1366444, 1708055, 2049666, 3416110, 4099332, 5124165, 6832220, 10248330, 20496660]

約数ペア:

[(1, 20496660), (2, 10248330), (3, 6832220), (4, 5124165), (5, 4099332), (6, 3416110), (10, 2049666), (12, 1708055), (15, 1366444), (20, 1024833), (30, 683222), (60, 341611), (251, 81660), (502, 40830), (753, 27220), (1004, 20415), (1255, 16332), (1361, 15060), (1506, 13610), (2510, 8166), (2722, 7530), (3012, 6805), (3765, 5444), (4083, 5020)]