20121747555

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1613}}^1$

素因数の和:1710

約数の個数: 192

約数和(自身を含む): 43099223040

約数和(自身を除く): 22977475485

約数列:

[1, 3, 5, 7, 13, 15, 19, 21, 35, 37, 39, 57, 65, 91, 95, 105, 111, 133, 169, 185, 195, 247, 259, 273, 285, 399, 455, 481, 507, 555, 665, 703, 741, 777, 845, 1183, 1235, 1295, 1365, 1443, 1613, 1729, 1995, 2109, 2405, 2535, 3211, 3367, 3515, 3549, 3705, 3885, 4839, 4921, 5187, 5915, 6253, 7215, 8065, 8645, 9139, 9633, 10101, 10545, 11291, 14763, 16055, 16835, 17745, 18759, 20969, 22477, 24195, 24605, 25935, 27417, 30647, 31265, 33873, 43771, 45695, 48165, 50505, 56455, 59681, 62907, 63973, 67431, 73815, 91941, 93795, 104845, 112385, 118807, 131313, 137085, 146783, 153235, 169365, 179043, 191919, 214529, 218855, 272597, 298405, 314535, 319865, 337155, 356421, 398411, 417767, 440349, 459705, 594035, 643587, 656565, 733915, 775853, 817791, 831649, 895215, 959595, 1072645, 1133939, 1195233, 1253301, 1362985, 1782105, 1908179, 1992055, 2088835, 2201745, 2327559, 2494947, 2788877, 3217935, 3401817, 3879265, 4088955, 4158245, 5179343, 5430971, 5669695, 5724537, 5976165, 6266505, 7937573, 8366631, 9540895, 10086089, 11637795, 12474735, 13944385, 14741207, 15538029, 16292913, 17009085, 23812719, 25896715, 27154855, 28622685, 30258267, 36255401, 39687865, 41833155, 44223621, 50430445, 70602623, 73706035, 77690145, 81464565, 103188449, 108766203, 119063595, 151291335, 181277005, 191635691, 211807869, 221118105, 309565347, 353013115, 515942245, 543831015, 574907073, 958178455, 1059039345, 1341449837, 1547826735, 2874535365, 4024349511, 6707249185, 20121747555]

約数ペア:

[(1, 20121747555), (3, 6707249185), (5, 4024349511), (7, 2874535365), (13, 1547826735), (15, 1341449837), (19, 1059039345), (21, 958178455), (35, 574907073), (37, 543831015), (39, 515942245), (57, 353013115), (65, 309565347), (91, 221118105), (95, 211807869), (105, 191635691), (111, 181277005), (133, 151291335), (169, 119063595), (185, 108766203), (195, 103188449), (247, 81464565), (259, 77690145), (273, 73706035), (285, 70602623), (399, 50430445), (455, 44223621), (481, 41833155), (507, 39687865), (555, 36255401), (665, 30258267), (703, 28622685), (741, 27154855), (777, 25896715), (845, 23812719), (1183, 17009085), (1235, 16292913), (1295, 15538029), (1365, 14741207), (1443, 13944385), (1613, 12474735), (1729, 11637795), (1995, 10086089), (2109, 9540895), (2405, 8366631), (2535, 7937573), (3211, 6266505), (3367, 5976165), (3515, 5724537), (3549, 5669695), (3705, 5430971), (3885, 5179343), (4839, 4158245), (4921, 4088955), (5187, 3879265), (5915, 3401817), (6253, 3217935), (7215, 2788877), (8065, 2494947), (8645, 2327559), (9139, 2201745), (9633, 2088835), (10101, 1992055), (10545, 1908179), (11291, 1782105), (14763, 1362985), (16055, 1253301), (16835, 1195233), (17745, 1133939), (18759, 1072645), (20969, 959595), (22477, 895215), (24195, 831649), (24605, 817791), (25935, 775853), (27417, 733915), (30647, 656565), (31265, 643587), (33873, 594035), (43771, 459705), (45695, 440349), (48165, 417767), (50505, 398411), (56455, 356421), (59681, 337155), (62907, 319865), (63973, 314535), (67431, 298405), (73815, 272597), (91941, 218855), (93795, 214529), (104845, 191919), (112385, 179043), (118807, 169365), (131313, 153235), (137085, 146783)]