20693335

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1$

素因数の和:403

約数の個数: 32

約数和(自身を含む): 28873152

約数和(自身を除く): 8179817

約数列:

[1, 5, 13, 17, 61, 65, 85, 221, 305, 307, 793, 1037, 1105, 1535, 3965, 3991, 5185, 5219, 13481, 18727, 19955, 26095, 67405, 67847, 93635, 243451, 318359, 339235, 1217255, 1591795, 4138667, 20693335]

約数ペア:

[(1, 20693335), (5, 4138667), (13, 1591795), (17, 1217255), (61, 339235), (65, 318359), (85, 243451), (221, 93635), (305, 67847), (307, 67405), (793, 26095), (1037, 19955), (1105, 18727), (1535, 13481), (3965, 5219), (3991, 5185)]