20759499

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{563}}^1$

素因数の和:827

約数の個数: 24

約数和(自身を含む): 31938192

約数和(自身を除く): 11178693

約数列:

[1, 3, 9, 17, 51, 153, 241, 563, 723, 1689, 2169, 4097, 5067, 9571, 12291, 28713, 36873, 86139, 135683, 407049, 1221147, 2306611, 6919833, 20759499]

約数ペア:

[(1, 20759499), (3, 6919833), (9, 2306611), (17, 1221147), (51, 407049), (153, 135683), (241, 86139), (563, 36873), (723, 28713), (1689, 12291), (2169, 9571), (4097, 5067)]