20118360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{359}}^1\times {\mathrm{467}}^1$

素因数の和:840

約数の個数: 64

約数和(自身を含む): 60652800

約数和(自身を除く): 40534440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 359, 467, 718, 934, 1077, 1401, 1436, 1795, 1868, 2154, 2335, 2802, 2872, 3590, 3736, 4308, 4670, 5385, 5604, 7005, 7180, 8616, 9340, 10770, 11208, 14010, 14360, 18680, 21540, 28020, 43080, 56040, 167653, 335306, 502959, 670612, 838265, 1005918, 1341224, 1676530, 2011836, 2514795, 3353060, 4023672, 5029590, 6706120, 10059180, 20118360]

約数ペア:

[(1, 20118360), (2, 10059180), (3, 6706120), (4, 5029590), (5, 4023672), (6, 3353060), (8, 2514795), (10, 2011836), (12, 1676530), (15, 1341224), (20, 1005918), (24, 838265), (30, 670612), (40, 502959), (60, 335306), (120, 167653), (359, 56040), (467, 43080), (718, 28020), (934, 21540), (1077, 18680), (1401, 14360), (1436, 14010), (1795, 11208), (1868, 10770), (2154, 9340), (2335, 8616), (2802, 7180), (2872, 7005), (3590, 5604), (3736, 5385), (4308, 4670)]