20026440

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{883}}^1$

素因数の和:913

約数の個数: 160

約数和(自身を含む): 77014080

約数和(自身を除く): 56987640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 81, 84, 90, 105, 108, 120, 126, 135, 140, 162, 168, 180, 189, 210, 216, 252, 270, 280, 315, 324, 360, 378, 405, 420, 504, 540, 567, 630, 648, 756, 810, 840, 883, 945, 1080, 1134, 1260, 1512, 1620, 1766, 1890, 2268, 2520, 2649, 2835, 3240, 3532, 3780, 4415, 4536, 5298, 5670, 6181, 7064, 7560, 7947, 8830, 10596, 11340, 12362, 13245, 15894, 17660, 18543, 21192, 22680, 23841, 24724, 26490, 30905, 31788, 35320, 37086, 39735, 47682, 49448, 52980, 55629, 61810, 63576, 71523, 74172, 79470, 92715, 95364, 105960, 111258, 119205, 123620, 143046, 148344, 158940, 166887, 185430, 190728, 222516, 238410, 247240, 278145, 286092, 317880, 333774, 357615, 370860, 445032, 476820, 500661, 556290, 572184, 667548, 715230, 741720, 834435, 953640, 1001322, 1112580, 1335096, 1430460, 1668870, 2002644, 2225160, 2503305, 2860920, 3337740, 4005288, 5006610, 6675480, 10013220, 20026440]

約数ペア:

[(1, 20026440), (2, 10013220), (3, 6675480), (4, 5006610), (5, 4005288), (6, 3337740), (7, 2860920), (8, 2503305), (9, 2225160), (10, 2002644), (12, 1668870), (14, 1430460), (15, 1335096), (18, 1112580), (20, 1001322), (21, 953640), (24, 834435), (27, 741720), (28, 715230), (30, 667548), (35, 572184), (36, 556290), (40, 500661), (42, 476820), (45, 445032), (54, 370860), (56, 357615), (60, 333774), (63, 317880), (70, 286092), (72, 278145), (81, 247240), (84, 238410), (90, 222516), (105, 190728), (108, 185430), (120, 166887), (126, 158940), (135, 148344), (140, 143046), (162, 123620), (168, 119205), (180, 111258), (189, 105960), (210, 95364), (216, 92715), (252, 79470), (270, 74172), (280, 71523), (315, 63576), (324, 61810), (360, 55629), (378, 52980), (405, 49448), (420, 47682), (504, 39735), (540, 37086), (567, 35320), (630, 31788), (648, 30905), (756, 26490), (810, 24724), (840, 23841), (883, 22680), (945, 21192), (1080, 18543), (1134, 17660), (1260, 15894), (1512, 13245), (1620, 12362), (1766, 11340), (1890, 10596), (2268, 8830), (2520, 7947), (2649, 7560), (2835, 7064), (3240, 6181), (3532, 5670), (3780, 5298), (4415, 4536)]