20872144

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{35257}}^1$

素因数の和:35302

約数の個数: 20

約数和(自身を含む): 41533924

約数和(自身を除く): 20661780

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 35257, 70514, 141028, 282056, 564112, 1304509, 2609018, 5218036, 10436072, 20872144]

約数ペア:

[(1, 20872144), (2, 10436072), (4, 5218036), (8, 2609018), (16, 1304509), (37, 564112), (74, 282056), (148, 141028), (296, 70514), (592, 35257)]