19785720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{164881}}^1$

素因数の和:164895

約数の個数: 32

約数和(自身を含む): 59357520

約数和(自身を除く): 39571800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 164881, 329762, 494643, 659524, 824405, 989286, 1319048, 1648810, 1978572, 2473215, 3297620, 3957144, 4946430, 6595240, 9892860, 19785720]

約数ペア:

[(1, 19785720), (2, 9892860), (3, 6595240), (4, 4946430), (5, 3957144), (6, 3297620), (8, 2473215), (10, 1978572), (12, 1648810), (15, 1319048), (20, 989286), (24, 824405), (30, 659524), (40, 494643), (60, 329762), (120, 164881)]