20334480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{193}}^1\times {\mathrm{439}}^1$

素因数の和:648

約数の個数: 80

約数和(自身を含む): 63507840

約数和(自身を除く): 43173360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 193, 240, 386, 439, 579, 772, 878, 965, 1158, 1317, 1544, 1756, 1930, 2195, 2316, 2634, 2895, 3088, 3512, 3860, 4390, 4632, 5268, 5790, 6585, 7024, 7720, 8780, 9264, 10536, 11580, 13170, 15440, 17560, 21072, 23160, 26340, 35120, 46320, 52680, 84727, 105360, 169454, 254181, 338908, 423635, 508362, 677816, 847270, 1016724, 1270905, 1355632, 1694540, 2033448, 2541810, 3389080, 4066896, 5083620, 6778160, 10167240, 20334480]

約数ペア:

[(1, 20334480), (2, 10167240), (3, 6778160), (4, 5083620), (5, 4066896), (6, 3389080), (8, 2541810), (10, 2033448), (12, 1694540), (15, 1355632), (16, 1270905), (20, 1016724), (24, 847270), (30, 677816), (40, 508362), (48, 423635), (60, 338908), (80, 254181), (120, 169454), (193, 105360), (240, 84727), (386, 52680), (439, 46320), (579, 35120), (772, 26340), (878, 23160), (965, 21072), (1158, 17560), (1317, 15440), (1544, 13170), (1756, 11580), (1930, 10536), (2195, 9264), (2316, 8780), (2634, 7720), (2895, 7024), (3088, 6585), (3512, 5790), (3860, 5268), (4390, 4632)]