20869920

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{4831}}^1$

素因数の和:4855

約数の個数: 96

約数和(自身を含む): 73059840

約数和(自身を除く): 52189920

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, 4831, 9662, 14493, 19324, 24155, 28986, 38648, 43479, 48310, 57972, 72465, 77296, 86958, 96620, 115944, 130437, 144930, 154592, 173916, 193240, 217395, 231888, 260874, 289860, 347832, 386480, 434790, 463776, 521748, 579720, 652185, 695664, 772960, 869580, 1043496, 1159440, 1304370, 1391328, 1739160, 2086992, 2318880, 2608740, 3478320, 4173984, 5217480, 6956640, 10434960, 20869920]

約数ペア:

[(1, 20869920), (2, 10434960), (3, 6956640), (4, 5217480), (5, 4173984), (6, 3478320), (8, 2608740), (9, 2318880), (10, 2086992), (12, 1739160), (15, 1391328), (16, 1304370), (18, 1159440), (20, 1043496), (24, 869580), (27, 772960), (30, 695664), (32, 652185), (36, 579720), (40, 521748), (45, 463776), (48, 434790), (54, 386480), (60, 347832), (72, 289860), (80, 260874), (90, 231888), (96, 217395), (108, 193240), (120, 173916), (135, 154592), (144, 144930), (160, 130437), (180, 115944), (216, 96620), (240, 86958), (270, 77296), (288, 72465), (360, 57972), (432, 48310), (480, 43479), (540, 38648), (720, 28986), (864, 24155), (1080, 19324), (1440, 14493), (2160, 9662), (4320, 4831)]