20900630

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{28631}}^1$

素因数の和:28711

約数の個数: 16

約数和(自身を含む): 38137824

約数和(自身を除く): 17237194

約数列:

[1, 2, 5, 10, 73, 146, 365, 730, 28631, 57262, 143155, 286310, 2090063, 4180126, 10450315, 20900630]

約数ペア:

[(1, 20900630), (2, 10450315), (5, 4180126), (10, 2090063), (73, 286310), (146, 143155), (365, 57262), (730, 28631)]