20353484

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 39674880

約数和(自身を除く): 19321396

約数列:

[1, 2, 4, 19, 31, 38, 53, 62, 76, 106, 124, 163, 212, 326, 589, 652, 1007, 1178, 1643, 2014, 2356, 3097, 3286, 4028, 5053, 6194, 6572, 8639, 10106, 12388, 17278, 20212, 31217, 34556, 62434, 96007, 124868, 164141, 192014, 267809, 328282, 384028, 535618, 656564, 1071236, 5088371, 10176742, 20353484]

約数ペア:

[(1, 20353484), (2, 10176742), (4, 5088371), (19, 1071236), (31, 656564), (38, 535618), (53, 384028), (62, 328282), (76, 267809), (106, 192014), (124, 164141), (163, 124868), (212, 96007), (326, 62434), (589, 34556), (652, 31217), (1007, 20212), (1178, 17278), (1643, 12388), (2014, 10106), (2356, 8639), (3097, 6572), (3286, 6194), (4028, 5053)]