20428936

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{863}}^1$

素因数の和:1149

約数の個数: 32

約数和(自身を含む): 41990400

約数和(自身を除く): 21561464

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 269, 538, 863, 1076, 1726, 2152, 2959, 3452, 5918, 6904, 9493, 11836, 18986, 23672, 37972, 75944, 232147, 464294, 928588, 1857176, 2553617, 5107234, 10214468, 20428936]

約数ペア:

[(1, 20428936), (2, 10214468), (4, 5107234), (8, 2553617), (11, 1857176), (22, 928588), (44, 464294), (88, 232147), (269, 75944), (538, 37972), (863, 23672), (1076, 18986), (1726, 11836), (2152, 9493), (2959, 6904), (3452, 5918)]