20653561719

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{887}}^1$

素因数の和:1117

約数の個数: 96

約数和(自身を含む): 35591721984

約数和(自身を除く): 14938160265

約数列:

[1, 3, 7, 9, 21, 61, 63, 73, 83, 183, 219, 249, 427, 511, 549, 581, 657, 747, 887, 1281, 1533, 1743, 2661, 3843, 4453, 4599, 5063, 5229, 6059, 6209, 7983, 13359, 15189, 18177, 18627, 31171, 35441, 40077, 42413, 45567, 54107, 54531, 55881, 64751, 73621, 93513, 106323, 127239, 162321, 194253, 220863, 280539, 318969, 369599, 378749, 381717, 453257, 486963, 515347, 582759, 662589, 1108797, 1136247, 1359771, 1546041, 2587193, 3326391, 3408741, 3949811, 4079313, 4490881, 4638123, 5374333, 7761579, 11849433, 13472643, 16122999, 23284737, 27648677, 31436167, 35548299, 37620331, 40417929, 48368997, 82946031, 94308501, 112860993, 248838093, 282925503, 327834313, 338582979, 983502939, 2294840191, 2950508817, 6884520573, 20653561719]

約数ペア:

[(1, 20653561719), (3, 6884520573), (7, 2950508817), (9, 2294840191), (21, 983502939), (61, 338582979), (63, 327834313), (73, 282925503), (83, 248838093), (183, 112860993), (219, 94308501), (249, 82946031), (427, 48368997), (511, 40417929), (549, 37620331), (581, 35548299), (657, 31436167), (747, 27648677), (887, 23284737), (1281, 16122999), (1533, 13472643), (1743, 11849433), (2661, 7761579), (3843, 5374333), (4453, 4638123), (4599, 4490881), (5063, 4079313), (5229, 3949811), (6059, 3408741), (6209, 3326391), (7983, 2587193), (13359, 1546041), (15189, 1359771), (18177, 1136247), (18627, 1108797), (31171, 662589), (35441, 582759), (40077, 515347), (42413, 486963), (45567, 453257), (54107, 381717), (54531, 378749), (55881, 369599), (64751, 318969), (73621, 280539), (93513, 220863), (106323, 194253), (127239, 162321)]