20425589

素因数分解:

${\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1$

素因数の和:412

約数の個数: 16

約数和(自身を含む): 22291200

約数和(自身を除く): 1865611

約数列:

[1, 19, 47, 89, 257, 893, 1691, 4183, 4883, 12079, 22873, 79477, 229501, 434587, 1075031, 20425589]

約数ペア:

[(1, 20425589), (19, 1075031), (47, 434587), (89, 229501), (257, 79477), (893, 22873), (1691, 12079), (4183, 4883)]