20914264

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{9109}}^1$

素因数の和:9163

約数の個数: 32

約数和(自身を含む): 45914400

約数和(自身を除く): 25000136

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 287, 328, 574, 1148, 2296, 9109, 18218, 36436, 63763, 72872, 127526, 255052, 373469, 510104, 746938, 1493876, 2614283, 2987752, 5228566, 10457132, 20914264]

約数ペア:

[(1, 20914264), (2, 10457132), (4, 5228566), (7, 2987752), (8, 2614283), (14, 1493876), (28, 746938), (41, 510104), (56, 373469), (82, 255052), (164, 127526), (287, 72872), (328, 63763), (574, 36436), (1148, 18218), (2296, 9109)]