20211494896

素因数分解:

$2^4\times {\mathrm{2251}}^1\times {\mathrm{561181}}^1$

素因数の和:563440

約数の個数: 20

約数和(自身を含む): 39177237784

約数和(自身を除く): 18965742888

約数列:

[1, 2, 4, 8, 16, 2251, 4502, 9004, 18008, 36016, 561181, 1122362, 2244724, 4489448, 8978896, 1263218431, 2526436862, 5052873724, 10105747448, 20211494896]

約数ペア:

[(1, 20211494896), (2, 10105747448), (4, 5052873724), (8, 2526436862), (16, 1263218431), (2251, 8978896), (4502, 4489448), (9004, 2244724), (18008, 1122362), (36016, 561181)]