20178393836

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1\times {\mathrm{16493}}^1$

素因数の和:16778

約数の個数: 48

約数和(自身を含む): 37408392000

約数和(自身を除く): 17229998164

約数列:

[1, 2, 4, 29, 53, 58, 106, 116, 199, 212, 398, 796, 1537, 3074, 5771, 6148, 10547, 11542, 16493, 21094, 23084, 32986, 42188, 65972, 305863, 478297, 611726, 874129, 956594, 1223452, 1748258, 1913188, 3282107, 3496516, 6564214, 13128428, 25349741, 50699482, 95181103, 101398964, 173951671, 190362206, 347903342, 380724412, 695806684, 5044598459, 10089196918, 20178393836]

約数ペア:

[(1, 20178393836), (2, 10089196918), (4, 5044598459), (29, 695806684), (53, 380724412), (58, 347903342), (106, 190362206), (116, 173951671), (199, 101398964), (212, 95181103), (398, 50699482), (796, 25349741), (1537, 13128428), (3074, 6564214), (5771, 3496516), (6148, 3282107), (10547, 1913188), (11542, 1748258), (16493, 1223452), (21094, 956594), (23084, 874129), (32986, 611726), (42188, 478297), (65972, 305863)]