20917752

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{307}}^1$

素因数の和:500

約数の個数: 64

約数和(自身を含む): 55883520

約数和(自身を除く): 34965768

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 167, 204, 307, 334, 408, 501, 614, 668, 921, 1002, 1228, 1336, 1842, 2004, 2456, 2839, 3684, 4008, 5219, 5678, 7368, 8517, 10438, 11356, 15657, 17034, 20876, 22712, 31314, 34068, 41752, 51269, 62628, 68136, 102538, 125256, 153807, 205076, 307614, 410152, 615228, 871573, 1230456, 1743146, 2614719, 3486292, 5229438, 6972584, 10458876, 20917752]

約数ペア:

[(1, 20917752), (2, 10458876), (3, 6972584), (4, 5229438), (6, 3486292), (8, 2614719), (12, 1743146), (17, 1230456), (24, 871573), (34, 615228), (51, 410152), (68, 307614), (102, 205076), (136, 153807), (167, 125256), (204, 102538), (307, 68136), (334, 62628), (408, 51269), (501, 41752), (614, 34068), (668, 31314), (921, 22712), (1002, 20876), (1228, 17034), (1336, 15657), (1842, 11356), (2004, 10438), (2456, 8517), (2839, 7368), (3684, 5678), (4008, 5219)]