20001240

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{7937}}^1$

素因数の和:7961

約数の個数: 96

約数和(自身を含む): 74299680

約数和(自身を除く): 54298440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 7937, 15874, 23811, 31748, 39685, 47622, 55559, 63496, 71433, 79370, 95244, 111118, 119055, 142866, 158740, 166677, 190488, 222236, 238110, 277795, 285732, 317480, 333354, 357165, 444472, 476220, 500031, 555590, 571464, 666708, 714330, 833385, 952440, 1000062, 1111180, 1333416, 1428660, 1666770, 2000124, 2222360, 2500155, 2857320, 3333540, 4000248, 5000310, 6667080, 10000620, 20001240]

約数ペア:

[(1, 20001240), (2, 10000620), (3, 6667080), (4, 5000310), (5, 4000248), (6, 3333540), (7, 2857320), (8, 2500155), (9, 2222360), (10, 2000124), (12, 1666770), (14, 1428660), (15, 1333416), (18, 1111180), (20, 1000062), (21, 952440), (24, 833385), (28, 714330), (30, 666708), (35, 571464), (36, 555590), (40, 500031), (42, 476220), (45, 444472), (56, 357165), (60, 333354), (63, 317480), (70, 285732), (72, 277795), (84, 238110), (90, 222236), (105, 190488), (120, 166677), (126, 158740), (140, 142866), (168, 119055), (180, 111118), (210, 95244), (252, 79370), (280, 71433), (315, 63496), (360, 55559), (420, 47622), (504, 39685), (630, 31748), (840, 23811), (1260, 15874), (2520, 7937)]