20103588

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{307}}^1$

素因数の和:441

約数の個数: 72

約数和(自身を含む): 54486432

約数和(自身を除く): 34382844

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 107, 153, 204, 214, 306, 307, 321, 428, 612, 614, 642, 921, 963, 1228, 1284, 1819, 1842, 1926, 2763, 3638, 3684, 3852, 5219, 5457, 5526, 7276, 10438, 10914, 11052, 15657, 16371, 20876, 21828, 31314, 32742, 32849, 46971, 62628, 65484, 65698, 93942, 98547, 131396, 187884, 197094, 295641, 394188, 558433, 591282, 1116866, 1182564, 1675299, 2233732, 3350598, 5025897, 6701196, 10051794, 20103588]

約数ペア:

[(1, 20103588), (2, 10051794), (3, 6701196), (4, 5025897), (6, 3350598), (9, 2233732), (12, 1675299), (17, 1182564), (18, 1116866), (34, 591282), (36, 558433), (51, 394188), (68, 295641), (102, 197094), (107, 187884), (153, 131396), (204, 98547), (214, 93942), (306, 65698), (307, 65484), (321, 62628), (428, 46971), (612, 32849), (614, 32742), (642, 31314), (921, 21828), (963, 20876), (1228, 16371), (1284, 15657), (1819, 11052), (1842, 10914), (1926, 10438), (2763, 7276), (3638, 5526), (3684, 5457), (3852, 5219)]