20329525

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{337}}^1$

素因数の和:493

約数の個数: 24

約数和(自身を含む): 26823680

約数和(自身を除く): 6494155

約数列:

[1, 5, 19, 25, 95, 127, 337, 475, 635, 1685, 2413, 3175, 6403, 8425, 12065, 32015, 42799, 60325, 160075, 213995, 813181, 1069975, 4065905, 20329525]

約数ペア:

[(1, 20329525), (5, 4065905), (19, 1069975), (25, 813181), (95, 213995), (127, 160075), (337, 60325), (475, 42799), (635, 32015), (1685, 12065), (2413, 8425), (3175, 6403)]