20163857284

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1\times {\mathrm{9491}}^1$

素因数の和:9868

約数の個数: 48

約数和(自身を含む): 37793347200

約数和(自身を除く): 17629489916

約数列:

[1, 2, 4, 17, 34, 68, 157, 199, 314, 398, 628, 796, 2669, 3383, 5338, 6766, 9491, 10676, 13532, 18982, 31243, 37964, 62486, 124972, 161347, 322694, 531131, 645388, 1062262, 1490087, 1888709, 2124524, 2980174, 3777418, 5960348, 7554836, 25331479, 32108053, 50662958, 64216106, 101325916, 128432212, 296527313, 593054626, 1186109252, 5040964321, 10081928642, 20163857284]

約数ペア:

[(1, 20163857284), (2, 10081928642), (4, 5040964321), (17, 1186109252), (34, 593054626), (68, 296527313), (157, 128432212), (199, 101325916), (314, 64216106), (398, 50662958), (628, 32108053), (796, 25331479), (2669, 7554836), (3383, 5960348), (5338, 3777418), (6766, 2980174), (9491, 2124524), (10676, 1888709), (13532, 1490087), (18982, 1062262), (31243, 645388), (37964, 531131), (62486, 322694), (124972, 161347)]