20200520

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{13649}}^1$

素因数の和:13697

約数の個数: 32

約数和(自身を含む): 46683000

約数和(自身を除く): 26482480

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 13649, 27298, 54596, 68245, 109192, 136490, 272980, 505013, 545960, 1010026, 2020052, 2525065, 4040104, 5050130, 10100260, 20200520]

約数ペア:

[(1, 20200520), (2, 10100260), (4, 5050130), (5, 4040104), (8, 2525065), (10, 2020052), (20, 1010026), (37, 545960), (40, 505013), (74, 272980), (148, 136490), (185, 109192), (296, 68245), (370, 54596), (740, 27298), (1480, 13649)]