20744160

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1879}}^1$

素因数の和:1920

約数の個数: 96

約数和(自身を含む): 68221440

約数和(自身を除く): 47477280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 69, 80, 92, 96, 115, 120, 138, 160, 184, 230, 240, 276, 345, 368, 460, 480, 552, 690, 736, 920, 1104, 1380, 1840, 1879, 2208, 2760, 3680, 3758, 5520, 5637, 7516, 9395, 11040, 11274, 15032, 18790, 22548, 28185, 30064, 37580, 43217, 45096, 56370, 60128, 75160, 86434, 90192, 112740, 129651, 150320, 172868, 180384, 216085, 225480, 259302, 300640, 345736, 432170, 450960, 518604, 648255, 691472, 864340, 901920, 1037208, 1296510, 1382944, 1728680, 2074416, 2593020, 3457360, 4148832, 5186040, 6914720, 10372080, 20744160]

約数ペア:

[(1, 20744160), (2, 10372080), (3, 6914720), (4, 5186040), (5, 4148832), (6, 3457360), (8, 2593020), (10, 2074416), (12, 1728680), (15, 1382944), (16, 1296510), (20, 1037208), (23, 901920), (24, 864340), (30, 691472), (32, 648255), (40, 518604), (46, 450960), (48, 432170), (60, 345736), (69, 300640), (80, 259302), (92, 225480), (96, 216085), (115, 180384), (120, 172868), (138, 150320), (160, 129651), (184, 112740), (230, 90192), (240, 86434), (276, 75160), (345, 60128), (368, 56370), (460, 45096), (480, 43217), (552, 37580), (690, 30064), (736, 28185), (920, 22548), (1104, 18790), (1380, 15032), (1840, 11274), (1879, 11040), (2208, 9395), (2760, 7516), (3680, 5637), (3758, 5520)]