20172415095

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{647}}^1\times {\mathrm{32993}}^1$

素因数の和:33661

約数の個数: 64

約数和(自身を含む): 41049815040

約数和(自身を除く): 20877399945

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 647, 945, 1941, 3235, 4529, 5823, 9705, 13587, 17469, 22645, 29115, 32993, 40761, 67935, 87345, 98979, 122283, 164965, 203805, 230951, 296937, 494895, 611415, 692853, 890811, 1154755, 1484685, 2078559, 3464265, 4454055, 6235677, 10392795, 21346471, 31178385, 64039413, 106732355, 149425297, 192118239, 320197065, 448275891, 576354717, 747126485, 960591195, 1344827673, 2241379455, 2881773585, 4034483019, 6724138365, 20172415095]

約数ペア:

[(1, 20172415095), (3, 6724138365), (5, 4034483019), (7, 2881773585), (9, 2241379455), (15, 1344827673), (21, 960591195), (27, 747126485), (35, 576354717), (45, 448275891), (63, 320197065), (105, 192118239), (135, 149425297), (189, 106732355), (315, 64039413), (647, 31178385), (945, 21346471), (1941, 10392795), (3235, 6235677), (4529, 4454055), (5823, 3464265), (9705, 2078559), (13587, 1484685), (17469, 1154755), (22645, 890811), (29115, 692853), (32993, 611415), (40761, 494895), (67935, 296937), (87345, 230951), (98979, 203805), (122283, 164965)]