20980782

素因数分解:

$2^1\times 3^4\times {\mathrm{67}}^1\times {\mathrm{1933}}^1$

素因数の和:2014

約数の個数: 40

約数和(自身を含む): 47738856

約数和(自身を除く): 26758074

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 67, 81, 134, 162, 201, 402, 603, 1206, 1809, 1933, 3618, 3866, 5427, 5799, 10854, 11598, 17397, 34794, 52191, 104382, 129511, 156573, 259022, 313146, 388533, 777066, 1165599, 2331198, 3496797, 6993594, 10490391, 20980782]

約数ペア:

[(1, 20980782), (2, 10490391), (3, 6993594), (6, 3496797), (9, 2331198), (18, 1165599), (27, 777066), (54, 388533), (67, 313146), (81, 259022), (134, 156573), (162, 129511), (201, 104382), (402, 52191), (603, 34794), (1206, 17397), (1809, 11598), (1933, 10854), (3618, 5799), (3866, 5427)]