20199421755

素因数分解:

$3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{151}}^1\times {\mathrm{263}}^1$

素因数の和:641

約数の個数: 96

約数和(自身を含む): 36057415680

約数和(自身を除く): 15857993925

約数列:

[1, 3, 5, 9, 15, 45, 89, 127, 151, 263, 267, 381, 445, 453, 635, 755, 789, 801, 1143, 1315, 1335, 1359, 1905, 2265, 2367, 3945, 4005, 5715, 6795, 11303, 11835, 13439, 19177, 23407, 33401, 33909, 39713, 40317, 56515, 57531, 67195, 70221, 95885, 100203, 101727, 117035, 119139, 120951, 167005, 169545, 172593, 198565, 201585, 210663, 287655, 300609, 351105, 357417, 501015, 508635, 595695, 604755, 862965, 1053315, 1503045, 1706753, 1787085, 2972689, 3534457, 5043551, 5120259, 8533765, 8918067, 10603371, 14863445, 15130653, 15360777, 17672285, 25217755, 25601295, 26754201, 31810113, 44590335, 45391959, 53016855, 75653265, 76803885, 133771005, 159050565, 226959795, 448876039, 1346628117, 2244380195, 4039884351, 6733140585, 20199421755]

約数ペア:

[(1, 20199421755), (3, 6733140585), (5, 4039884351), (9, 2244380195), (15, 1346628117), (45, 448876039), (89, 226959795), (127, 159050565), (151, 133771005), (263, 76803885), (267, 75653265), (381, 53016855), (445, 45391959), (453, 44590335), (635, 31810113), (755, 26754201), (789, 25601295), (801, 25217755), (1143, 17672285), (1315, 15360777), (1335, 15130653), (1359, 14863445), (1905, 10603371), (2265, 8918067), (2367, 8533765), (3945, 5120259), (4005, 5043551), (5715, 3534457), (6795, 2972689), (11303, 1787085), (11835, 1706753), (13439, 1503045), (19177, 1053315), (23407, 862965), (33401, 604755), (33909, 595695), (39713, 508635), (40317, 501015), (56515, 357417), (57531, 351105), (67195, 300609), (70221, 287655), (95885, 210663), (100203, 201585), (101727, 198565), (117035, 172593), (119139, 169545), (120951, 167005)]