20198115

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1733}}^1$

素因数の和:1788

約数の個数: 48

約数和(自身を含む): 41116608

約数和(自身を除く): 20918493

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 37, 45, 63, 105, 111, 185, 259, 315, 333, 555, 777, 1295, 1665, 1733, 2331, 3885, 5199, 8665, 11655, 12131, 15597, 25995, 36393, 60655, 64121, 77985, 109179, 181965, 192363, 320605, 448847, 545895, 577089, 961815, 1346541, 2244235, 2885445, 4039623, 6732705, 20198115]

約数ペア:

[(1, 20198115), (3, 6732705), (5, 4039623), (7, 2885445), (9, 2244235), (15, 1346541), (21, 961815), (35, 577089), (37, 545895), (45, 448847), (63, 320605), (105, 192363), (111, 181965), (185, 109179), (259, 77985), (315, 64121), (333, 60655), (555, 36393), (777, 25995), (1295, 15597), (1665, 12131), (1733, 11655), (2331, 8665), (3885, 5199)]