20591280

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{9533}}^1$

素因数の和:9555

約数の個数: 80

約数和(自身を含む): 70932960

約数和(自身を除く): 50341680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 9533, 19066, 28599, 38132, 47665, 57198, 76264, 85797, 95330, 114396, 142995, 152528, 171594, 190660, 228792, 257391, 285990, 343188, 381320, 428985, 457584, 514782, 571980, 686376, 762640, 857970, 1029564, 1143960, 1286955, 1372752, 1715940, 2059128, 2287920, 2573910, 3431880, 4118256, 5147820, 6863760, 10295640, 20591280]

約数ペア:

[(1, 20591280), (2, 10295640), (3, 6863760), (4, 5147820), (5, 4118256), (6, 3431880), (8, 2573910), (9, 2287920), (10, 2059128), (12, 1715940), (15, 1372752), (16, 1286955), (18, 1143960), (20, 1029564), (24, 857970), (27, 762640), (30, 686376), (36, 571980), (40, 514782), (45, 457584), (48, 428985), (54, 381320), (60, 343188), (72, 285990), (80, 257391), (90, 228792), (108, 190660), (120, 171594), (135, 152528), (144, 142995), (180, 114396), (216, 95330), (240, 85797), (270, 76264), (360, 57198), (432, 47665), (540, 38132), (720, 28599), (1080, 19066), (2160, 9533)]