20739868

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{8803}}^1$

素因数の和:8857

約数の個数: 24

約数和(自身を含む): 39441920

約数和(自身を除く): 18702052

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 124, 589, 1178, 2356, 8803, 17606, 35212, 167257, 272893, 334514, 545786, 669028, 1091572, 5184967, 10369934, 20739868]

約数ペア:

[(1, 20739868), (2, 10369934), (4, 5184967), (19, 1091572), (31, 669028), (38, 545786), (62, 334514), (76, 272893), (124, 167257), (589, 35212), (1178, 17606), (2356, 8803)]