20782560

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1493}}^1$

素因数の和:1540

約数の個数: 96

約数和(自身を含む): 67767840

約数和(自身を除く): 46985280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 32, 40, 48, 58, 60, 80, 87, 96, 116, 120, 145, 160, 174, 232, 240, 290, 348, 435, 464, 480, 580, 696, 870, 928, 1160, 1392, 1493, 1740, 2320, 2784, 2986, 3480, 4479, 4640, 5972, 6960, 7465, 8958, 11944, 13920, 14930, 17916, 22395, 23888, 29860, 35832, 43297, 44790, 47776, 59720, 71664, 86594, 89580, 119440, 129891, 143328, 173188, 179160, 216485, 238880, 259782, 346376, 358320, 432970, 519564, 649455, 692752, 716640, 865940, 1039128, 1298910, 1385504, 1731880, 2078256, 2597820, 3463760, 4156512, 5195640, 6927520, 10391280, 20782560]

約数ペア:

[(1, 20782560), (2, 10391280), (3, 6927520), (4, 5195640), (5, 4156512), (6, 3463760), (8, 2597820), (10, 2078256), (12, 1731880), (15, 1385504), (16, 1298910), (20, 1039128), (24, 865940), (29, 716640), (30, 692752), (32, 649455), (40, 519564), (48, 432970), (58, 358320), (60, 346376), (80, 259782), (87, 238880), (96, 216485), (116, 179160), (120, 173188), (145, 143328), (160, 129891), (174, 119440), (232, 89580), (240, 86594), (290, 71664), (348, 59720), (435, 47776), (464, 44790), (480, 43297), (580, 35832), (696, 29860), (870, 23888), (928, 22395), (1160, 17916), (1392, 14930), (1493, 13920), (1740, 11944), (2320, 8958), (2784, 7465), (2986, 6960), (3480, 5972), (4479, 4640)]