20719884

素因数分解:

$2^2\times 3^1\times {\mathrm{67}}^1\times {\mathrm{25771}}^1$

素因数の和:25845

約数の個数: 24

約数和(自身を含む): 49069888

約数和(自身を除く): 28350004

約数列:

[1, 2, 3, 4, 6, 12, 67, 134, 201, 268, 402, 804, 25771, 51542, 77313, 103084, 154626, 309252, 1726657, 3453314, 5179971, 6906628, 10359942, 20719884]

約数ペア:

[(1, 20719884), (2, 10359942), (3, 6906628), (4, 5179971), (6, 3453314), (12, 1726657), (67, 309252), (134, 154626), (201, 103084), (268, 77313), (402, 51542), (804, 25771)]