20704290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{690143}}^1$

素因数の和:690153

約数の個数: 16

約数和(自身を含む): 49690368

約数和(自身を除く): 28986078

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 690143, 1380286, 2070429, 3450715, 4140858, 6901430, 10352145, 20704290]

約数ペア:

[(1, 20704290), (2, 10352145), (3, 6901430), (5, 4140858), (6, 3450715), (10, 2070429), (15, 1380286), (30, 690143)]