20080321905

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1\times {\mathrm{17321}}^1$

素因数の和:17578

約数の個数: 64

約数和(自身を含む): 37528598016

約数和(自身を除く): 17448276111

約数列:

[1, 3, 5, 7, 15, 21, 35, 61, 105, 181, 183, 305, 427, 543, 905, 915, 1267, 1281, 2135, 2715, 3801, 6335, 6405, 11041, 17321, 19005, 33123, 51963, 55205, 77287, 86605, 121247, 165615, 231861, 259815, 363741, 386435, 606235, 1056581, 1159305, 1818705, 3135101, 3169743, 5282905, 7396067, 9405303, 15675505, 15848715, 21945707, 22188201, 36980335, 47026515, 65837121, 109728535, 110941005, 191241161, 329185605, 573723483, 956205805, 1338688127, 2868617415, 4016064381, 6693440635, 20080321905]

約数ペア:

[(1, 20080321905), (3, 6693440635), (5, 4016064381), (7, 2868617415), (15, 1338688127), (21, 956205805), (35, 573723483), (61, 329185605), (105, 191241161), (181, 110941005), (183, 109728535), (305, 65837121), (427, 47026515), (543, 36980335), (905, 22188201), (915, 21945707), (1267, 15848715), (1281, 15675505), (2135, 9405303), (2715, 7396067), (3801, 5282905), (6335, 3169743), (6405, 3135101), (11041, 1818705), (17321, 1159305), (19005, 1056581), (33123, 606235), (51963, 386435), (55205, 363741), (77287, 259815), (86605, 231861), (121247, 165615)]