20717408043

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1\times {\mathrm{2069}}^1$

素因数の和:2377

約数の個数: 64

約数和(自身を含む): 32788800000

約数和(自身を除く): 12071391957

約数列:

[1, 3, 9, 19, 27, 57, 131, 149, 171, 393, 447, 513, 1179, 1341, 2069, 2489, 2831, 3537, 4023, 6207, 7467, 8493, 18621, 19519, 22401, 25479, 39311, 55863, 58557, 67203, 76437, 117933, 175671, 271039, 308281, 353799, 370861, 527013, 813117, 924843, 1061397, 1112583, 2439351, 2774529, 3337749, 5149741, 5857339, 7318053, 8323587, 10013247, 15449223, 17572017, 40384811, 46347669, 52716051, 121154433, 139043007, 158148153, 363463299, 767311409, 1090389897, 2301934227, 6905802681, 20717408043]

約数ペア:

[(1, 20717408043), (3, 6905802681), (9, 2301934227), (19, 1090389897), (27, 767311409), (57, 363463299), (131, 158148153), (149, 139043007), (171, 121154433), (393, 52716051), (447, 46347669), (513, 40384811), (1179, 17572017), (1341, 15449223), (2069, 10013247), (2489, 8323587), (2831, 7318053), (3537, 5857339), (4023, 5149741), (6207, 3337749), (7467, 2774529), (8493, 2439351), (18621, 1112583), (19519, 1061397), (22401, 924843), (25479, 813117), (39311, 527013), (55863, 370861), (58557, 353799), (67203, 308281), (76437, 271039), (117933, 175671)]