20571883209

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1367}}^1\times {\mathrm{2399}}^1$

素因数の和:3830

約数の個数: 48

約数和(自身を含む): 32267289600

約数和(自身を除く): 11695406391

約数列:

[1, 3, 9, 17, 41, 51, 123, 153, 369, 697, 1367, 2091, 2399, 4101, 6273, 7197, 12303, 21591, 23239, 40783, 56047, 69717, 98359, 122349, 168141, 209151, 295077, 367047, 504423, 885231, 952799, 1672103, 2858397, 3279433, 5016309, 8575191, 9838299, 15048927, 29514897, 55750361, 134456753, 167251083, 403370259, 501753249, 1210110777, 2285764801, 6857294403, 20571883209]

約数ペア:

[(1, 20571883209), (3, 6857294403), (9, 2285764801), (17, 1210110777), (41, 501753249), (51, 403370259), (123, 167251083), (153, 134456753), (369, 55750361), (697, 29514897), (1367, 15048927), (2091, 9838299), (2399, 8575191), (4101, 5016309), (6273, 3279433), (7197, 2858397), (12303, 1672103), (21591, 952799), (23239, 885231), (40783, 504423), (56047, 367047), (69717, 295077), (98359, 209151), (122349, 168141)]