20256075

素因数分解:

$3^4\times 5^2\times 7^1\times {\mathrm{1429}}^1$

素因数の和:1458

約数の個数: 60

約数和(自身を含む): 42911440

約数和(自身を除く): 22655365

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 81, 105, 135, 175, 189, 225, 315, 405, 525, 567, 675, 945, 1429, 1575, 2025, 2835, 4287, 4725, 7145, 10003, 12861, 14175, 21435, 30009, 35725, 38583, 50015, 64305, 90027, 107175, 115749, 150045, 192915, 250075, 270081, 321525, 450135, 578745, 750225, 810243, 964575, 1350405, 2250675, 2893725, 4051215, 6752025, 20256075]

約数ペア:

[(1, 20256075), (3, 6752025), (5, 4051215), (7, 2893725), (9, 2250675), (15, 1350405), (21, 964575), (25, 810243), (27, 750225), (35, 578745), (45, 450135), (63, 321525), (75, 270081), (81, 250075), (105, 192915), (135, 150045), (175, 115749), (189, 107175), (225, 90027), (315, 64305), (405, 50015), (525, 38583), (567, 35725), (675, 30009), (945, 21435), (1429, 14175), (1575, 12861), (2025, 10003), (2835, 7145), (4287, 4725)]