20765360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3371}}^1$

素因数の和:3402

約数の個数: 80

約数和(自身を含む): 60210432

約数和(自身を除く): 39445072

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 3080, 3371, 6160, 6742, 13484, 16855, 23597, 26968, 33710, 37081, 47194, 53936, 67420, 74162, 94388, 117985, 134840, 148324, 185405, 188776, 235970, 259567, 269680, 296648, 370810, 377552, 471940, 519134, 593296, 741620, 943880, 1038268, 1297835, 1483240, 1887760, 2076536, 2595670, 2966480, 4153072, 5191340, 10382680, 20765360]

約数ペア:

[(1, 20765360), (2, 10382680), (4, 5191340), (5, 4153072), (7, 2966480), (8, 2595670), (10, 2076536), (11, 1887760), (14, 1483240), (16, 1297835), (20, 1038268), (22, 943880), (28, 741620), (35, 593296), (40, 519134), (44, 471940), (55, 377552), (56, 370810), (70, 296648), (77, 269680), (80, 259567), (88, 235970), (110, 188776), (112, 185405), (140, 148324), (154, 134840), (176, 117985), (220, 94388), (280, 74162), (308, 67420), (385, 53936), (440, 47194), (560, 37081), (616, 33710), (770, 26968), (880, 23597), (1232, 16855), (1540, 13484), (3080, 6742), (3371, 6160)]