20478230

素因数分解:

$2^1\times 5^1\times {\mathrm{617}}^1\times {\mathrm{3319}}^1$

素因数の和:3943

約数の個数: 16

約数和(自身を含む): 36931680

約数和(自身を除く): 16453450

約数列:

[1, 2, 5, 10, 617, 1234, 3085, 3319, 6170, 6638, 16595, 33190, 2047823, 4095646, 10239115, 20478230]

約数ペア:

[(1, 20478230), (2, 10239115), (5, 4095646), (10, 2047823), (617, 33190), (1234, 16595), (3085, 6638), (3319, 6170)]