2020170383

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{227}}^1$

素因数の和:361

約数の個数: 72

約数和(自身を含む): 2765548800

約数和(自身を除く): 745378417

約数列:

[1, 7, 11, 19, 49, 77, 79, 121, 133, 209, 227, 539, 553, 847, 869, 931, 1463, 1501, 1589, 2299, 2497, 3871, 4313, 5929, 6083, 9559, 10241, 10507, 11123, 16093, 16511, 17479, 17933, 27467, 30191, 42581, 47443, 66913, 73549, 112651, 115577, 122353, 125531, 181621, 192269, 197263, 211337, 332101, 340727, 468391, 521873, 809039, 878717, 1271347, 1345883, 1380841, 2169893, 2324707, 2385089, 3653111, 3747997, 8899429, 9665887, 15189251, 16695623, 25571777, 26235979, 41227967, 106324757, 183651853, 288595769, 2020170383]

約数ペア:

[(1, 2020170383), (7, 288595769), (11, 183651853), (19, 106324757), (49, 41227967), (77, 26235979), (79, 25571777), (121, 16695623), (133, 15189251), (209, 9665887), (227, 8899429), (539, 3747997), (553, 3653111), (847, 2385089), (869, 2324707), (931, 2169893), (1463, 1380841), (1501, 1345883), (1589, 1271347), (2299, 878717), (2497, 809039), (3871, 521873), (4313, 468391), (5929, 340727), (6083, 332101), (9559, 211337), (10241, 197263), (10507, 192269), (11123, 181621), (16093, 125531), (16511, 122353), (17479, 115577), (17933, 112651), (27467, 73549), (30191, 66913), (42581, 47443)]