20562480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{28559}}^1$

素因数の和:28578

約数の個数: 60

約数和(自身を含む): 69058080

約数和(自身を除く): 48495600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 28559, 57118, 85677, 114236, 142795, 171354, 228472, 257031, 285590, 342708, 428385, 456944, 514062, 571180, 685416, 856770, 1028124, 1142360, 1285155, 1370832, 1713540, 2056248, 2284720, 2570310, 3427080, 4112496, 5140620, 6854160, 10281240, 20562480]

約数ペア:

[(1, 20562480), (2, 10281240), (3, 6854160), (4, 5140620), (5, 4112496), (6, 3427080), (8, 2570310), (9, 2284720), (10, 2056248), (12, 1713540), (15, 1370832), (16, 1285155), (18, 1142360), (20, 1028124), (24, 856770), (30, 685416), (36, 571180), (40, 514062), (45, 456944), (48, 428385), (60, 342708), (72, 285590), (80, 257031), (90, 228472), (120, 171354), (144, 142795), (180, 114236), (240, 85677), (360, 57118), (720, 28559)]