20486560905

素因数分解:

$3^5\times 5^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{3833}}^1$

素因数の和:3989

約数の個数: 96

約数和(自身を含む): 37981996416

約数和(自身を除く): 17495435511

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 81, 83, 135, 159, 243, 249, 265, 405, 415, 477, 747, 795, 1215, 1245, 1431, 2241, 2385, 3735, 3833, 4293, 4399, 6723, 7155, 11205, 11499, 12879, 13197, 19165, 20169, 21465, 21995, 33615, 34497, 39591, 57495, 64395, 65985, 100845, 103491, 118773, 172485, 197955, 203149, 310473, 318139, 356319, 517455, 593865, 609447, 931419, 954417, 1015745, 1068957, 1552365, 1590695, 1781595, 1828341, 2863251, 3047235, 4657095, 4772085, 5344785, 5485023, 8589753, 9141705, 14316255, 16455069, 16861367, 25769259, 27425115, 42948765, 49365207, 50584101, 77307777, 82275345, 84306835, 128846295, 151752303, 246826035, 252920505, 386538885, 455256909, 758761515, 1365770727, 2276284545, 4097312181, 6828853635, 20486560905]

約数ペア:

[(1, 20486560905), (3, 6828853635), (5, 4097312181), (9, 2276284545), (15, 1365770727), (27, 758761515), (45, 455256909), (53, 386538885), (81, 252920505), (83, 246826035), (135, 151752303), (159, 128846295), (243, 84306835), (249, 82275345), (265, 77307777), (405, 50584101), (415, 49365207), (477, 42948765), (747, 27425115), (795, 25769259), (1215, 16861367), (1245, 16455069), (1431, 14316255), (2241, 9141705), (2385, 8589753), (3735, 5485023), (3833, 5344785), (4293, 4772085), (4399, 4657095), (6723, 3047235), (7155, 2863251), (11205, 1828341), (11499, 1781595), (12879, 1590695), (13197, 1552365), (19165, 1068957), (20169, 1015745), (21465, 954417), (21995, 931419), (33615, 609447), (34497, 593865), (39591, 517455), (57495, 356319), (64395, 318139), (65985, 310473), (100845, 203149), (103491, 197955), (118773, 172485)]