20683666

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{313}}^1$

素因数の和:418

約数の個数: 32

約数和(自身を含む): 34364160

約数和(自身を除く): 13680494

約数列:

[1, 2, 19, 37, 38, 47, 74, 94, 313, 626, 703, 893, 1406, 1739, 1786, 3478, 5947, 11581, 11894, 14711, 23162, 29422, 33041, 66082, 220039, 279509, 440078, 544307, 559018, 1088614, 10341833, 20683666]

約数ペア:

[(1, 20683666), (2, 10341833), (19, 1088614), (37, 559018), (38, 544307), (47, 440078), (74, 279509), (94, 220039), (313, 66082), (626, 33041), (703, 29422), (893, 23162), (1406, 14711), (1739, 11894), (1786, 11581), (3478, 5947)]