20168655

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{353}}^1$

素因数の和:667

約数の個数: 32

約数和(自身を含む): 34969536

約数和(自身を除く): 14800881

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 293, 353, 879, 1059, 1465, 1765, 3809, 4395, 4589, 5295, 11427, 13767, 19045, 22945, 57135, 68835, 103429, 310287, 517145, 1344577, 1551435, 4033731, 6722885, 20168655]

約数ペア:

[(1, 20168655), (3, 6722885), (5, 4033731), (13, 1551435), (15, 1344577), (39, 517145), (65, 310287), (195, 103429), (293, 68835), (353, 57135), (879, 22945), (1059, 19045), (1465, 13767), (1765, 11427), (3809, 5295), (4395, 4589)]