201642940

素因数分解:

$2^2\times 5^1\times {\mathrm{571}}^1\times {\mathrm{17657}}^1$

素因数の和:18237

約数の個数: 24

約数和(自身を含む): 424215792

約数和(自身を除く): 222572852

約数列:

[1, 2, 4, 5, 10, 20, 571, 1142, 2284, 2855, 5710, 11420, 17657, 35314, 70628, 88285, 176570, 353140, 10082147, 20164294, 40328588, 50410735, 100821470, 201642940]

約数ペア:

[(1, 201642940), (2, 100821470), (4, 50410735), (5, 40328588), (10, 20164294), (20, 10082147), (571, 353140), (1142, 176570), (2284, 88285), (2855, 70628), (5710, 35314), (11420, 17657)]