20770028

素因数分解:

$2^2\times {\mathrm{97}}^1\times {\mathrm{199}}^1\times {\mathrm{269}}^1$

素因数の和:569

約数の個数: 24

約数和(自身を含む): 37044000

約数和(自身を除く): 16273972

約数列:

[1, 2, 4, 97, 194, 199, 269, 388, 398, 538, 796, 1076, 19303, 26093, 38606, 52186, 53531, 77212, 104372, 107062, 214124, 5192507, 10385014, 20770028]

約数ペア:

[(1, 20770028), (2, 10385014), (4, 5192507), (97, 214124), (194, 107062), (199, 104372), (269, 77212), (388, 53531), (398, 52186), (538, 38606), (796, 26093), (1076, 19303)]