20156221445

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{433}}^1\times {\mathrm{10333}}^1$

素因数の和:10841

約数の個数: 32

約数和(自身を含む): 26156263392

約数和(自身を除く): 6000041947

約数列:

[1, 5, 17, 53, 85, 265, 433, 901, 2165, 4505, 7361, 10333, 22949, 36805, 51665, 114745, 175661, 390133, 547649, 878305, 1950665, 2738245, 4474189, 9310033, 22370945, 46550165, 76061213, 237132017, 380306065, 1185660085, 4031244289, 20156221445]

約数ペア:

[(1, 20156221445), (5, 4031244289), (17, 1185660085), (53, 380306065), (85, 237132017), (265, 76061213), (433, 46550165), (901, 22370945), (2165, 9310033), (4505, 4474189), (7361, 2738245), (10333, 1950665), (22949, 878305), (36805, 547649), (51665, 390133), (114745, 175661)]