20289240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{56359}}^1$

素因数の和:56376

約数の個数: 48

約数和(自身を含む): 65941200

約数和(自身を除く): 45651960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 56359, 112718, 169077, 225436, 281795, 338154, 450872, 507231, 563590, 676308, 845385, 1014462, 1127180, 1352616, 1690770, 2028924, 2254360, 2536155, 3381540, 4057848, 5072310, 6763080, 10144620, 20289240]

約数ペア:

[(1, 20289240), (2, 10144620), (3, 6763080), (4, 5072310), (5, 4057848), (6, 3381540), (8, 2536155), (9, 2254360), (10, 2028924), (12, 1690770), (15, 1352616), (18, 1127180), (20, 1014462), (24, 845385), (30, 676308), (36, 563590), (40, 507231), (45, 450872), (60, 338154), (72, 281795), (90, 225436), (120, 169077), (180, 112718), (360, 56359)]