20145420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{111919}}^1$

素因数の和:111934

約数の個数: 36

約数和(自身を含む): 61108320

約数和(自身を除く): 40962900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 111919, 223838, 335757, 447676, 559595, 671514, 1007271, 1119190, 1343028, 1678785, 2014542, 2238380, 3357570, 4029084, 5036355, 6715140, 10072710, 20145420]

約数ペア:

[(1, 20145420), (2, 10072710), (3, 6715140), (4, 5036355), (5, 4029084), (6, 3357570), (9, 2238380), (10, 2014542), (12, 1678785), (15, 1343028), (18, 1119190), (20, 1007271), (30, 671514), (36, 559595), (45, 447676), (60, 335757), (90, 223838), (180, 111919)]