20996874

素因数分解:

$2^1\times 3^3\times {\mathrm{47}}^1\times {\mathrm{8273}}^1$

素因数の和:8331

約数の個数: 32

約数和(自身を含む): 47658240

約数和(自身を除く): 26661366

約数列:

[1, 2, 3, 6, 9, 18, 27, 47, 54, 94, 141, 282, 423, 846, 1269, 2538, 8273, 16546, 24819, 49638, 74457, 148914, 223371, 388831, 446742, 777662, 1166493, 2332986, 3499479, 6998958, 10498437, 20996874]

約数ペア:

[(1, 20996874), (2, 10498437), (3, 6998958), (6, 3499479), (9, 2332986), (18, 1166493), (27, 777662), (47, 446742), (54, 388831), (94, 223371), (141, 148914), (282, 74457), (423, 49638), (846, 24819), (1269, 16546), (2538, 8273)]