20187060621

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{3911}}^1$

素因数の和:4051

約数の個数: 96

約数和(自身を含む): 35113736448

約数和(自身を除く): 14926675827

約数列:

[1, 3, 7, 13, 21, 37, 39, 49, 73, 91, 111, 147, 219, 259, 273, 481, 511, 637, 777, 949, 1443, 1533, 1813, 1911, 2701, 2847, 3367, 3577, 3911, 5439, 6643, 8103, 10101, 10731, 11733, 18907, 19929, 23569, 27377, 35113, 46501, 50843, 56721, 70707, 82131, 105339, 132349, 139503, 144707, 152529, 191639, 245791, 285503, 355901, 397047, 434121, 574917, 737373, 856509, 1012949, 1067703, 1720537, 1881191, 1998521, 2491307, 3038847, 3711539, 5161611, 5643573, 5995563, 7090643, 7473921, 10563611, 11134617, 13168337, 13989647, 21271929, 25980773, 31690833, 39505011, 41968941, 73945277, 77942319, 92178359, 137326943, 181865411, 221835831, 276535077, 411980829, 517616939, 545596233, 961288601, 1552850817, 2883865803, 6729020207, 20187060621]

約数ペア:

[(1, 20187060621), (3, 6729020207), (7, 2883865803), (13, 1552850817), (21, 961288601), (37, 545596233), (39, 517616939), (49, 411980829), (73, 276535077), (91, 221835831), (111, 181865411), (147, 137326943), (219, 92178359), (259, 77942319), (273, 73945277), (481, 41968941), (511, 39505011), (637, 31690833), (777, 25980773), (949, 21271929), (1443, 13989647), (1533, 13168337), (1813, 11134617), (1911, 10563611), (2701, 7473921), (2847, 7090643), (3367, 5995563), (3577, 5643573), (3911, 5161611), (5439, 3711539), (6643, 3038847), (8103, 2491307), (10101, 1998521), (10731, 1881191), (11733, 1720537), (18907, 1067703), (19929, 1012949), (23569, 856509), (27377, 737373), (35113, 574917), (46501, 434121), (50843, 397047), (56721, 355901), (70707, 285503), (82131, 245791), (105339, 191639), (132349, 152529), (139503, 144707)]