20780805030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{317}}^1\times {\mathrm{631}}^1\times {\mathrm{3463}}^1$

素因数の和:4421

約数の個数: 64

約数和(自身を含む): 50125022208

約数和(自身を除く): 29344217178

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 317, 631, 634, 951, 1262, 1585, 1893, 1902, 3155, 3170, 3463, 3786, 4755, 6310, 6926, 9465, 9510, 10389, 17315, 18930, 20778, 34630, 51945, 103890, 200027, 400054, 600081, 1000135, 1097771, 1200162, 2000270, 2185153, 2195542, 3000405, 3293313, 4370306, 5488855, 6000810, 6555459, 6586626, 10925765, 10977710, 13110918, 16466565, 21851530, 32777295, 32933130, 65554590, 692693501, 1385387002, 2078080503, 3463467505, 4156161006, 6926935010, 10390402515, 20780805030]

約数ペア:

[(1, 20780805030), (2, 10390402515), (3, 6926935010), (5, 4156161006), (6, 3463467505), (10, 2078080503), (15, 1385387002), (30, 692693501), (317, 65554590), (631, 32933130), (634, 32777295), (951, 21851530), (1262, 16466565), (1585, 13110918), (1893, 10977710), (1902, 10925765), (3155, 6586626), (3170, 6555459), (3463, 6000810), (3786, 5488855), (4755, 4370306), (6310, 3293313), (6926, 3000405), (9465, 2195542), (9510, 2185153), (10389, 2000270), (17315, 1200162), (18930, 1097771), (20778, 1000135), (34630, 600081), (51945, 400054), (103890, 200027)]