20199451630

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{18531607}}^1$

素因数の和:18531723

約数の個数: 16

約数和(自身を含む): 36692583840

約数和(自身を除く): 16493132210

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 18531607, 37063214, 92658035, 185316070, 2019945163, 4039890326, 10099725815, 20199451630]

約数ペア:

[(1, 20199451630), (2, 10099725815), (5, 4039890326), (10, 2019945163), (109, 185316070), (218, 92658035), (545, 37063214), (1090, 18531607)]