20400270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61819}}^1$

素因数の和:61840

約数の個数: 32

約数和(自身を含む): 53412480

約数和(自身を除く): 33012210

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 61819, 123638, 185457, 309095, 370914, 618190, 680009, 927285, 1360018, 1854570, 2040027, 3400045, 4080054, 6800090, 10200135, 20400270]

約数ペア:

[(1, 20400270), (2, 10200135), (3, 6800090), (5, 4080054), (6, 3400045), (10, 2040027), (11, 1854570), (15, 1360018), (22, 927285), (30, 680009), (33, 618190), (55, 370914), (66, 309095), (110, 185457), (165, 123638), (330, 61819)]