20751841920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{10808251}}^1$

素因数の和:10808273

約数の個数: 64

約数和(自身を含む): 66146502240

約数和(自身を除く): 45394660320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 10808251, 21616502, 32424753, 43233004, 54041255, 64849506, 86466008, 108082510, 129699012, 162123765, 172932016, 216165020, 259398024, 324247530, 345864032, 432330040, 518796048, 648495060, 691728064, 864660080, 1037592096, 1296990120, 1383456128, 1729320160, 2075184192, 2593980240, 3458640320, 4150368384, 5187960480, 6917280640, 10375920960, 20751841920]

約数ペア:

[(1, 20751841920), (2, 10375920960), (3, 6917280640), (4, 5187960480), (5, 4150368384), (6, 3458640320), (8, 2593980240), (10, 2075184192), (12, 1729320160), (15, 1383456128), (16, 1296990120), (20, 1037592096), (24, 864660080), (30, 691728064), (32, 648495060), (40, 518796048), (48, 432330040), (60, 345864032), (64, 324247530), (80, 259398024), (96, 216165020), (120, 172932016), (128, 162123765), (160, 129699012), (192, 108082510), (240, 86466008), (320, 64849506), (384, 54041255), (480, 43233004), (640, 32424753), (960, 21616502), (1920, 10808251)]