20740320

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{4801}}^1$

素因数の和:4825

約数の個数: 96

約数和(自身を含む): 72606240

約数和(自身を除く): 51865920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 216, 240, 270, 288, 360, 432, 480, 540, 720, 864, 1080, 1440, 2160, 4320, 4801, 9602, 14403, 19204, 24005, 28806, 38408, 43209, 48010, 57612, 72015, 76816, 86418, 96020, 115224, 129627, 144030, 153632, 172836, 192040, 216045, 230448, 259254, 288060, 345672, 384080, 432090, 460896, 518508, 576120, 648135, 691344, 768160, 864180, 1037016, 1152240, 1296270, 1382688, 1728360, 2074032, 2304480, 2592540, 3456720, 4148064, 5185080, 6913440, 10370160, 20740320]

約数ペア:

[(1, 20740320), (2, 10370160), (3, 6913440), (4, 5185080), (5, 4148064), (6, 3456720), (8, 2592540), (9, 2304480), (10, 2074032), (12, 1728360), (15, 1382688), (16, 1296270), (18, 1152240), (20, 1037016), (24, 864180), (27, 768160), (30, 691344), (32, 648135), (36, 576120), (40, 518508), (45, 460896), (48, 432090), (54, 384080), (60, 345672), (72, 288060), (80, 259254), (90, 230448), (96, 216045), (108, 192040), (120, 172836), (135, 153632), (144, 144030), (160, 129627), (180, 115224), (216, 96020), (240, 86418), (270, 76816), (288, 72015), (360, 57612), (432, 48010), (480, 43209), (540, 38408), (720, 28806), (864, 24005), (1080, 19204), (1440, 14403), (2160, 9602), (4320, 4801)]