20883896

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{5519}}^1$

素因数の和:5579

約数の個数: 32

約数和(自身を含む): 43718400

約数和(自身を除く): 22834504

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 172, 344, 473, 946, 1892, 3784, 5519, 11038, 22076, 44152, 60709, 121418, 237317, 242836, 474634, 485672, 949268, 1898536, 2610487, 5220974, 10441948, 20883896]

約数ペア:

[(1, 20883896), (2, 10441948), (4, 5220974), (8, 2610487), (11, 1898536), (22, 949268), (43, 485672), (44, 474634), (86, 242836), (88, 237317), (172, 121418), (344, 60709), (473, 44152), (946, 22076), (1892, 11038), (3784, 5519)]