20123690

素因数分解:

$2^1\times 5^1\times {\mathrm{619}}^1\times {\mathrm{3251}}^1$

素因数の和:3877

約数の個数: 16

約数和(自身を含む): 36292320

約数和(自身を除く): 16168630

約数列:

[1, 2, 5, 10, 619, 1238, 3095, 3251, 6190, 6502, 16255, 32510, 2012369, 4024738, 10061845, 20123690]

約数ペア:

[(1, 20123690), (2, 10061845), (5, 4024738), (10, 2012369), (619, 32510), (1238, 16255), (3095, 6502), (3251, 6190)]