20606872

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{18013}}^1$

素因数の和:18043

約数の個数: 32

約数和(自身を含む): 45395280

約数和(自身を除く): 24788408

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 18013, 36026, 72052, 144104, 198143, 234169, 396286, 468338, 792572, 936676, 1585144, 1873352, 2575859, 5151718, 10303436, 20606872]

約数ペア:

[(1, 20606872), (2, 10303436), (4, 5151718), (8, 2575859), (11, 1873352), (13, 1585144), (22, 936676), (26, 792572), (44, 468338), (52, 396286), (88, 234169), (104, 198143), (143, 144104), (286, 72052), (572, 36026), (1144, 18013)]