20497770

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{11987}}^1$

素因数の和:12019

約数の個数: 48

約数和(自身を含む): 56103840

約数和(自身を除く): 35606070

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 171, 190, 285, 342, 570, 855, 1710, 11987, 23974, 35961, 59935, 71922, 107883, 119870, 179805, 215766, 227753, 359610, 455506, 539415, 683259, 1078830, 1138765, 1366518, 2049777, 2277530, 3416295, 4099554, 6832590, 10248885, 20497770]

約数ペア:

[(1, 20497770), (2, 10248885), (3, 6832590), (5, 4099554), (6, 3416295), (9, 2277530), (10, 2049777), (15, 1366518), (18, 1138765), (19, 1078830), (30, 683259), (38, 539415), (45, 455506), (57, 359610), (90, 227753), (95, 215766), (114, 179805), (171, 119870), (190, 107883), (285, 71922), (342, 59935), (570, 35961), (855, 23974), (1710, 11987)]