20011320

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{2647}}^1$

素因数の和:2674

約数の個数: 128

約数和(自身を含む): 76262400

約数和(自身を除く): 56251080

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, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 2647, 3780, 5294, 7560, 7941, 10588, 13235, 15882, 18529, 21176, 23823, 26470, 31764, 37058, 39705, 47646, 52940, 55587, 63528, 71469, 74116, 79410, 92645, 95292, 105880, 111174, 119115, 142938, 148232, 158820, 166761, 185290, 190584, 222348, 238230, 277935, 285876, 317640, 333522, 357345, 370580, 444696, 476460, 500283, 555870, 571752, 667044, 714690, 741160, 833805, 952920, 1000566, 1111740, 1334088, 1429380, 1667610, 2001132, 2223480, 2501415, 2858760, 3335220, 4002264, 5002830, 6670440, 10005660, 20011320]

約数ペア:

[(1, 20011320), (2, 10005660), (3, 6670440), (4, 5002830), (5, 4002264), (6, 3335220), (7, 2858760), (8, 2501415), (9, 2223480), (10, 2001132), (12, 1667610), (14, 1429380), (15, 1334088), (18, 1111740), (20, 1000566), (21, 952920), (24, 833805), (27, 741160), (28, 714690), (30, 667044), (35, 571752), (36, 555870), (40, 500283), (42, 476460), (45, 444696), (54, 370580), (56, 357345), (60, 333522), (63, 317640), (70, 285876), (72, 277935), (84, 238230), (90, 222348), (105, 190584), (108, 185290), (120, 166761), (126, 158820), (135, 148232), (140, 142938), (168, 119115), (180, 111174), (189, 105880), (210, 95292), (216, 92645), (252, 79410), (270, 74116), (280, 71469), (315, 63528), (360, 55587), (378, 52940), (420, 47646), (504, 39705), (540, 37058), (630, 31764), (756, 26470), (840, 23823), (945, 21176), (1080, 18529), (1260, 15882), (1512, 13235), (1890, 10588), (2520, 7941), (2647, 7560), (3780, 5294)]