20946540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{349109}}^1$

素因数の和:349121

約数の個数: 24

約数和(自身を含む): 58650480

約数和(自身を除く): 37703940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 349109, 698218, 1047327, 1396436, 1745545, 2094654, 3491090, 4189308, 5236635, 6982180, 10473270, 20946540]

約数ペア:

[(1, 20946540), (2, 10473270), (3, 6982180), (4, 5236635), (5, 4189308), (6, 3491090), (10, 2094654), (12, 1745545), (15, 1396436), (20, 1047327), (30, 698218), (60, 349109)]