20826988

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1973}}^1$

素因数の和:2026

約数の個数: 48

約数和(自身を含む): 46428480

約数和(自身を除く): 25601492

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 29, 52, 58, 91, 116, 182, 203, 364, 377, 406, 754, 812, 1508, 1973, 2639, 3946, 5278, 7892, 10556, 13811, 25649, 27622, 51298, 55244, 57217, 102596, 114434, 179543, 228868, 359086, 400519, 718172, 743821, 801038, 1487642, 1602076, 2975284, 5206747, 10413494, 20826988]

約数ペア:

[(1, 20826988), (2, 10413494), (4, 5206747), (7, 2975284), (13, 1602076), (14, 1487642), (26, 801038), (28, 743821), (29, 718172), (52, 400519), (58, 359086), (91, 228868), (116, 179543), (182, 114434), (203, 102596), (364, 57217), (377, 55244), (406, 51298), (754, 27622), (812, 25649), (1508, 13811), (1973, 10556), (2639, 7892), (3946, 5278)]