20728836

素因数分解:

$2^2\times 3^2\times {\mathrm{101}}^1\times {\mathrm{5701}}^1$

素因数の和:5812

約数の個数: 36

約数和(自身を含む): 52925964

約数和(自身を除く): 32197128

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 101, 202, 303, 404, 606, 909, 1212, 1818, 3636, 5701, 11402, 17103, 22804, 34206, 51309, 68412, 102618, 205236, 575801, 1151602, 1727403, 2303204, 3454806, 5182209, 6909612, 10364418, 20728836]

約数ペア:

[(1, 20728836), (2, 10364418), (3, 6909612), (4, 5182209), (6, 3454806), (9, 2303204), (12, 1727403), (18, 1151602), (36, 575801), (101, 205236), (202, 102618), (303, 68412), (404, 51309), (606, 34206), (909, 22804), (1212, 17103), (1818, 11402), (3636, 5701)]