20139240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:128

約数の個数: 192

約数和(自身を含む): 70862400

約数和(自身を除く): 50723160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 19, 20, 22, 24, 30, 33, 38, 40, 44, 55, 57, 60, 66, 73, 76, 88, 95, 110, 114, 120, 121, 132, 146, 152, 165, 190, 209, 219, 220, 228, 242, 264, 285, 292, 330, 363, 365, 380, 418, 438, 440, 456, 484, 570, 584, 605, 627, 660, 726, 730, 760, 803, 836, 876, 968, 1045, 1095, 1140, 1210, 1254, 1320, 1387, 1452, 1460, 1606, 1672, 1752, 1815, 2090, 2190, 2280, 2299, 2409, 2420, 2508, 2774, 2904, 2920, 3135, 3212, 3630, 4015, 4161, 4180, 4380, 4598, 4818, 4840, 5016, 5548, 6270, 6424, 6897, 6935, 7260, 8030, 8322, 8360, 8760, 8833, 9196, 9636, 11096, 11495, 12045, 12540, 13794, 13870, 14520, 15257, 16060, 16644, 17666, 18392, 19272, 20805, 22990, 24090, 25080, 26499, 27588, 27740, 30514, 32120, 33288, 34485, 35332, 41610, 44165, 45771, 45980, 48180, 52998, 55176, 55480, 61028, 68970, 70664, 76285, 83220, 88330, 91542, 91960, 96360, 105996, 122056, 132495, 137940, 152570, 166440, 167827, 176660, 183084, 211992, 228855, 264990, 275880, 305140, 335654, 353320, 366168, 457710, 503481, 529980, 610280, 671308, 839135, 915420, 1006962, 1059960, 1342616, 1678270, 1830840, 2013924, 2517405, 3356540, 4027848, 5034810, 6713080, 10069620, 20139240]

約数ペア:

[(1, 20139240), (2, 10069620), (3, 6713080), (4, 5034810), (5, 4027848), (6, 3356540), (8, 2517405), (10, 2013924), (11, 1830840), (12, 1678270), (15, 1342616), (19, 1059960), (20, 1006962), (22, 915420), (24, 839135), (30, 671308), (33, 610280), (38, 529980), (40, 503481), (44, 457710), (55, 366168), (57, 353320), (60, 335654), (66, 305140), (73, 275880), (76, 264990), (88, 228855), (95, 211992), (110, 183084), (114, 176660), (120, 167827), (121, 166440), (132, 152570), (146, 137940), (152, 132495), (165, 122056), (190, 105996), (209, 96360), (219, 91960), (220, 91542), (228, 88330), (242, 83220), (264, 76285), (285, 70664), (292, 68970), (330, 61028), (363, 55480), (365, 55176), (380, 52998), (418, 48180), (438, 45980), (440, 45771), (456, 44165), (484, 41610), (570, 35332), (584, 34485), (605, 33288), (627, 32120), (660, 30514), (726, 27740), (730, 27588), (760, 26499), (803, 25080), (836, 24090), (876, 22990), (968, 20805), (1045, 19272), (1095, 18392), (1140, 17666), (1210, 16644), (1254, 16060), (1320, 15257), (1387, 14520), (1452, 13870), (1460, 13794), (1606, 12540), (1672, 12045), (1752, 11495), (1815, 11096), (2090, 9636), (2190, 9196), (2280, 8833), (2299, 8760), (2409, 8360), (2420, 8322), (2508, 8030), (2774, 7260), (2904, 6935), (2920, 6897), (3135, 6424), (3212, 6270), (3630, 5548), (4015, 5016), (4161, 4840), (4180, 4818), (4380, 4598)]