20538504

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{40751}}^1$

素因数の和:40770

約数の個数: 48

約数和(自身を含む): 63573120

約数和(自身を除く): 43034616

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 40751, 81502, 122253, 163004, 244506, 285257, 326008, 366759, 489012, 570514, 733518, 855771, 978024, 1141028, 1467036, 1711542, 2282056, 2567313, 2934072, 3423084, 5134626, 6846168, 10269252, 20538504]

約数ペア:

[(1, 20538504), (2, 10269252), (3, 6846168), (4, 5134626), (6, 3423084), (7, 2934072), (8, 2567313), (9, 2282056), (12, 1711542), (14, 1467036), (18, 1141028), (21, 978024), (24, 855771), (28, 733518), (36, 570514), (42, 489012), (56, 366759), (63, 326008), (72, 285257), (84, 244506), (126, 163004), (168, 122253), (252, 81502), (504, 40751)]