201856790

素因数分解:

$2^1\times 5^1\times {\mathrm{991}}^1\times {\mathrm{20369}}^1$

素因数の和:21367

約数の個数: 16

約数和(自身を含む): 363726720

約数和(自身を除く): 161869930

約数列:

[1, 2, 5, 10, 991, 1982, 4955, 9910, 20369, 40738, 101845, 203690, 20185679, 40371358, 100928395, 201856790]

約数ペア:

[(1, 201856790), (2, 100928395), (5, 40371358), (10, 20185679), (991, 203690), (1982, 101845), (4955, 40738), (9910, 20369)]