20289450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{5881}}^1$

素因数の和:5919

約数の個数: 48

約数和(自身を含む): 52514496

約数和(自身を除く): 32225046

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 25, 30, 46, 50, 69, 75, 115, 138, 150, 230, 345, 575, 690, 1150, 1725, 3450, 5881, 11762, 17643, 29405, 35286, 58810, 88215, 135263, 147025, 176430, 270526, 294050, 405789, 441075, 676315, 811578, 882150, 1352630, 2028945, 3381575, 4057890, 6763150, 10144725, 20289450]

約数ペア:

[(1, 20289450), (2, 10144725), (3, 6763150), (5, 4057890), (6, 3381575), (10, 2028945), (15, 1352630), (23, 882150), (25, 811578), (30, 676315), (46, 441075), (50, 405789), (69, 294050), (75, 270526), (115, 176430), (138, 147025), (150, 135263), (230, 88215), (345, 58810), (575, 35286), (690, 29405), (1150, 17643), (1725, 11762), (3450, 5881)]