20643150

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{12511}}^1$

素因数の和:12537

約数の個数: 48

約数和(自身を含む): 55853568

約数和(自身を除く): 35210418

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 33, 50, 55, 66, 75, 110, 150, 165, 275, 330, 550, 825, 1650, 12511, 25022, 37533, 62555, 75066, 125110, 137621, 187665, 275242, 312775, 375330, 412863, 625550, 688105, 825726, 938325, 1376210, 1876650, 2064315, 3440525, 4128630, 6881050, 10321575, 20643150]

約数ペア:

[(1, 20643150), (2, 10321575), (3, 6881050), (5, 4128630), (6, 3440525), (10, 2064315), (11, 1876650), (15, 1376210), (22, 938325), (25, 825726), (30, 688105), (33, 625550), (50, 412863), (55, 375330), (66, 312775), (75, 275242), (110, 187665), (150, 137621), (165, 125110), (275, 75066), (330, 62555), (550, 37533), (825, 25022), (1650, 12511)]