20537422479

素因数分解:

$3^3\times 7^2\times {\mathrm{383}}^1\times {\mathrm{40531}}^1$

素因数の和:40937

約数の個数: 48

約数和(自身を含む): 35486576640

約数和(自身を除く): 14949154161

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 383, 441, 1149, 1323, 2681, 3447, 8043, 10341, 18767, 24129, 40531, 56301, 72387, 121593, 168903, 283717, 364779, 506709, 851151, 1094337, 1986019, 2553453, 5958057, 7660359, 15523373, 17874171, 46570119, 53622513, 108663611, 139710357, 325990833, 419131071, 760645277, 977972499, 2281935831, 2933917497, 6845807493, 20537422479]

約数ペア:

[(1, 20537422479), (3, 6845807493), (7, 2933917497), (9, 2281935831), (21, 977972499), (27, 760645277), (49, 419131071), (63, 325990833), (147, 139710357), (189, 108663611), (383, 53622513), (441, 46570119), (1149, 17874171), (1323, 15523373), (2681, 7660359), (3447, 5958057), (8043, 2553453), (10341, 1986019), (18767, 1094337), (24129, 851151), (40531, 506709), (56301, 364779), (72387, 283717), (121593, 168903)]