200664820

素因数分解:

$2^2\times 5^1\times {\mathrm{557}}^1\times {\mathrm{18013}}^1$

素因数の和:18579

約数の個数: 24

約数和(自身を含む): 422176104

約数和(自身を除く): 221511284

約数列:

[1, 2, 4, 5, 10, 20, 557, 1114, 2228, 2785, 5570, 11140, 18013, 36026, 72052, 90065, 180130, 360260, 10033241, 20066482, 40132964, 50166205, 100332410, 200664820]

約数ペア:

[(1, 200664820), (2, 100332410), (4, 50166205), (5, 40132964), (10, 20066482), (20, 10033241), (557, 360260), (1114, 180130), (2228, 90065), (2785, 72052), (5570, 36026), (11140, 18013)]