20531880

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{6337}}^1$

素因数の和:6360

約数の個数: 80

約数和(自身を含む): 69020820

約数和(自身を除く): 48488940

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 6337, 12674, 19011, 25348, 31685, 38022, 50696, 57033, 63370, 76044, 95055, 114066, 126740, 152088, 171099, 190110, 228132, 253480, 285165, 342198, 380220, 456264, 513297, 570330, 684396, 760440, 855495, 1026594, 1140660, 1368792, 1710990, 2053188, 2281320, 2566485, 3421980, 4106376, 5132970, 6843960, 10265940, 20531880]

約数ペア:

[(1, 20531880), (2, 10265940), (3, 6843960), (4, 5132970), (5, 4106376), (6, 3421980), (8, 2566485), (9, 2281320), (10, 2053188), (12, 1710990), (15, 1368792), (18, 1140660), (20, 1026594), (24, 855495), (27, 760440), (30, 684396), (36, 570330), (40, 513297), (45, 456264), (54, 380220), (60, 342198), (72, 285165), (81, 253480), (90, 228132), (108, 190110), (120, 171099), (135, 152088), (162, 126740), (180, 114066), (216, 95055), (270, 76044), (324, 63370), (360, 57033), (405, 50696), (540, 38022), (648, 31685), (810, 25348), (1080, 19011), (1620, 12674), (3240, 6337)]