20178230325

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{727}}^1\times {\mathrm{1979}}^1$

素因数の和:2747

約数の個数: 96

約数和(自身を含む): 38607528960

約数和(自身を除く): 18429298635

約数列:

[1, 3, 5, 11, 15, 17, 25, 33, 51, 55, 75, 85, 165, 187, 255, 275, 425, 561, 727, 825, 935, 1275, 1979, 2181, 2805, 3635, 4675, 5937, 7997, 9895, 10905, 12359, 14025, 18175, 21769, 23991, 29685, 33643, 37077, 39985, 49475, 54525, 61795, 65307, 100929, 108845, 119955, 135949, 148425, 168215, 185385, 199925, 308975, 326535, 370073, 407847, 504645, 544225, 599775, 679745, 841075, 926925, 1110219, 1438733, 1632675, 1850365, 2039235, 2523225, 3398725, 4316199, 5551095, 7193665, 9251825, 10196175, 15826063, 21580995, 24458461, 27755475, 35968325, 47478189, 73375383, 79130315, 107904975, 122292305, 237390945, 269043071, 366876915, 395651575, 611461525, 807129213, 1186954725, 1345215355, 1834384575, 4035646065, 6726076775, 20178230325]

約数ペア:

[(1, 20178230325), (3, 6726076775), (5, 4035646065), (11, 1834384575), (15, 1345215355), (17, 1186954725), (25, 807129213), (33, 611461525), (51, 395651575), (55, 366876915), (75, 269043071), (85, 237390945), (165, 122292305), (187, 107904975), (255, 79130315), (275, 73375383), (425, 47478189), (561, 35968325), (727, 27755475), (825, 24458461), (935, 21580995), (1275, 15826063), (1979, 10196175), (2181, 9251825), (2805, 7193665), (3635, 5551095), (4675, 4316199), (5937, 3398725), (7997, 2523225), (9895, 2039235), (10905, 1850365), (12359, 1632675), (14025, 1438733), (18175, 1110219), (21769, 926925), (23991, 841075), (29685, 679745), (33643, 599775), (37077, 544225), (39985, 504645), (49475, 407847), (54525, 370073), (61795, 326535), (65307, 308975), (100929, 199925), (108845, 185385), (119955, 168215), (135949, 148425)]