20188892

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{257}}^1\times {\mathrm{479}}^1$

素因数の和:781

約数の個数: 24

約数和(自身を含む): 36408960

約数和(自身を除く): 16220068

約数列:

[1, 2, 4, 41, 82, 164, 257, 479, 514, 958, 1028, 1916, 10537, 19639, 21074, 39278, 42148, 78556, 123103, 246206, 492412, 5047223, 10094446, 20188892]

約数ペア:

[(1, 20188892), (2, 10094446), (4, 5047223), (41, 492412), (82, 246206), (164, 123103), (257, 78556), (479, 42148), (514, 39278), (958, 21074), (1028, 19639), (1916, 10537)]