20159685

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{547}}^1$

素因数の和:584

約数の個数: 80

約数和(自身を含む): 44558976

約数和(自身を除く): 24399291

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 27, 35, 39, 45, 63, 65, 81, 91, 105, 117, 135, 189, 195, 273, 315, 351, 405, 455, 547, 567, 585, 819, 945, 1053, 1365, 1641, 1755, 2457, 2735, 2835, 3829, 4095, 4923, 5265, 7111, 7371, 8205, 11487, 12285, 14769, 19145, 21333, 24615, 34461, 35555, 36855, 44307, 49777, 57435, 63999, 73845, 103383, 106665, 149331, 172305, 191997, 221535, 248885, 310149, 319995, 447993, 516915, 575991, 746655, 959985, 1343979, 1550745, 2239965, 2879955, 4031937, 6719895, 20159685]

約数ペア:

[(1, 20159685), (3, 6719895), (5, 4031937), (7, 2879955), (9, 2239965), (13, 1550745), (15, 1343979), (21, 959985), (27, 746655), (35, 575991), (39, 516915), (45, 447993), (63, 319995), (65, 310149), (81, 248885), (91, 221535), (105, 191997), (117, 172305), (135, 149331), (189, 106665), (195, 103383), (273, 73845), (315, 63999), (351, 57435), (405, 49777), (455, 44307), (547, 36855), (567, 35555), (585, 34461), (819, 24615), (945, 21333), (1053, 19145), (1365, 14769), (1641, 12285), (1755, 11487), (2457, 8205), (2735, 7371), (2835, 7111), (3829, 5265), (4095, 4923)]