20981964

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{60293}}^1$

素因数の和:60329

約数の個数: 24

約数和(自身を含む): 50646960

約数和(自身を除く): 29664996

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 87, 116, 174, 348, 60293, 120586, 180879, 241172, 361758, 723516, 1748497, 3496994, 5245491, 6993988, 10490982, 20981964]

約数ペア:

[(1, 20981964), (2, 10490982), (3, 6993988), (4, 5245491), (6, 3496994), (12, 1748497), (29, 723516), (58, 361758), (87, 241172), (116, 180879), (174, 120586), (348, 60293)]