20040930

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2447}}^1$

素因数の和:2480

約数の個数: 96

約数和(自身を含む): 64157184

約数和(自身を除く): 44116254

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 30, 35, 39, 42, 45, 63, 65, 70, 78, 90, 91, 105, 117, 126, 130, 182, 195, 210, 234, 273, 315, 390, 455, 546, 585, 630, 819, 910, 1170, 1365, 1638, 2447, 2730, 4095, 4894, 7341, 8190, 12235, 14682, 17129, 22023, 24470, 31811, 34258, 36705, 44046, 51387, 63622, 73410, 85645, 95433, 102774, 110115, 154161, 159055, 171290, 190866, 220230, 222677, 256935, 286299, 308322, 318110, 445354, 477165, 513870, 572598, 668031, 770805, 954330, 1113385, 1336062, 1431495, 1541610, 2004093, 2226770, 2862990, 3340155, 4008186, 6680310, 10020465, 20040930]

約数ペア:

[(1, 20040930), (2, 10020465), (3, 6680310), (5, 4008186), (6, 3340155), (7, 2862990), (9, 2226770), (10, 2004093), (13, 1541610), (14, 1431495), (15, 1336062), (18, 1113385), (21, 954330), (26, 770805), (30, 668031), (35, 572598), (39, 513870), (42, 477165), (45, 445354), (63, 318110), (65, 308322), (70, 286299), (78, 256935), (90, 222677), (91, 220230), (105, 190866), (117, 171290), (126, 159055), (130, 154161), (182, 110115), (195, 102774), (210, 95433), (234, 85645), (273, 73410), (315, 63622), (390, 51387), (455, 44046), (546, 36705), (585, 34258), (630, 31811), (819, 24470), (910, 22023), (1170, 17129), (1365, 14682), (1638, 12235), (2447, 8190), (2730, 7341), (4095, 4894)]