20986722

素因数分解:

$2^1\times 3^3\times {\mathrm{47}}^1\times {\mathrm{8269}}^1$

素因数の和:8327

約数の個数: 32

約数和(自身を含む): 47635200

約数和(自身を除く): 26648478

約数列:

[1, 2, 3, 6, 9, 18, 27, 47, 54, 94, 141, 282, 423, 846, 1269, 2538, 8269, 16538, 24807, 49614, 74421, 148842, 223263, 388643, 446526, 777286, 1165929, 2331858, 3497787, 6995574, 10493361, 20986722]

約数ペア:

[(1, 20986722), (2, 10493361), (3, 6995574), (6, 3497787), (9, 2331858), (18, 1165929), (27, 777286), (47, 446526), (54, 388643), (94, 223263), (141, 148842), (282, 74421), (423, 49614), (846, 24807), (1269, 16538), (2538, 8269)]