20935754

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{419}}^1$

素因数の和:554

約数の個数: 32

約数和(自身を含む): 37255680

約数和(自身を除く): 16319926

約数列:

[1, 2, 7, 14, 43, 83, 86, 166, 301, 419, 581, 602, 838, 1162, 2933, 3569, 5866, 7138, 18017, 24983, 34777, 36034, 49966, 69554, 126119, 243439, 252238, 486878, 1495411, 2990822, 10467877, 20935754]

約数ペア:

[(1, 20935754), (2, 10467877), (7, 2990822), (14, 1495411), (43, 486878), (83, 252238), (86, 243439), (166, 126119), (301, 69554), (419, 49966), (581, 36034), (602, 34777), (838, 24983), (1162, 18017), (2933, 7138), (3569, 5866)]