19955760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7559}}^1$

素因数の和:7586

約数の個数: 80

約数和(自身を含む): 67495680

約数和(自身を除く): 47539920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 7559, 15118, 22677, 30236, 37795, 45354, 60472, 75590, 83149, 90708, 113385, 120944, 151180, 166298, 181416, 226770, 249447, 302360, 332596, 362832, 415745, 453540, 498894, 604720, 665192, 831490, 907080, 997788, 1247235, 1330384, 1662980, 1814160, 1995576, 2494470, 3325960, 3991152, 4988940, 6651920, 9977880, 19955760]

約数ペア:

[(1, 19955760), (2, 9977880), (3, 6651920), (4, 4988940), (5, 3991152), (6, 3325960), (8, 2494470), (10, 1995576), (11, 1814160), (12, 1662980), (15, 1330384), (16, 1247235), (20, 997788), (22, 907080), (24, 831490), (30, 665192), (33, 604720), (40, 498894), (44, 453540), (48, 415745), (55, 362832), (60, 332596), (66, 302360), (80, 249447), (88, 226770), (110, 181416), (120, 166298), (132, 151180), (165, 120944), (176, 113385), (220, 90708), (240, 83149), (264, 75590), (330, 60472), (440, 45354), (528, 37795), (660, 30236), (880, 22677), (1320, 15118), (2640, 7559)]