20898104

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{307}}^1$

素因数の和:507

約数の個数: 32

約数和(自身を含む): 40212480

約数和(自身を除く): 19314376

約数列:

[1, 2, 4, 8, 67, 127, 134, 254, 268, 307, 508, 536, 614, 1016, 1228, 2456, 8509, 17018, 20569, 34036, 38989, 41138, 68072, 77978, 82276, 155956, 164552, 311912, 2612263, 5224526, 10449052, 20898104]

約数ペア:

[(1, 20898104), (2, 10449052), (4, 5224526), (8, 2612263), (67, 311912), (127, 164552), (134, 155956), (254, 82276), (268, 77978), (307, 68072), (508, 41138), (536, 38989), (614, 34036), (1016, 20569), (1228, 17018), (2456, 8509)]