20002052

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{449}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 42134400

約数和(自身を除く): 22132348

約数列:

[1, 2, 4, 7, 14, 28, 37, 43, 74, 86, 148, 172, 259, 301, 449, 518, 602, 898, 1036, 1204, 1591, 1796, 3143, 3182, 6286, 6364, 11137, 12572, 16613, 19307, 22274, 33226, 38614, 44548, 66452, 77228, 116291, 135149, 232582, 270298, 465164, 540596, 714359, 1428718, 2857436, 5000513, 10001026, 20002052]

約数ペア:

[(1, 20002052), (2, 10001026), (4, 5000513), (7, 2857436), (14, 1428718), (28, 714359), (37, 540596), (43, 465164), (74, 270298), (86, 232582), (148, 135149), (172, 116291), (259, 77228), (301, 66452), (449, 44548), (518, 38614), (602, 33226), (898, 22274), (1036, 19307), (1204, 16613), (1591, 12572), (1796, 11137), (3143, 6364), (3182, 6286)]