20219398164

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{499}}^1\times {\mathrm{6991}}^1$

素因数の和:7530

約数の個数: 144

約数和(自身を含む): 61082112000

約数和(自身を除く): 40862713836

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 42, 46, 63, 69, 84, 92, 126, 138, 161, 207, 252, 276, 322, 414, 483, 499, 644, 828, 966, 998, 1449, 1497, 1932, 1996, 2898, 2994, 3493, 4491, 5796, 5988, 6986, 6991, 8982, 10479, 11477, 13972, 13982, 17964, 20958, 20973, 22954, 27964, 31437, 34431, 41916, 41946, 45908, 48937, 62874, 62919, 68862, 80339, 83892, 97874, 103293, 125748, 125838, 137724, 146811, 160678, 160793, 195748, 206586, 241017, 251676, 293622, 321356, 321586, 413172, 440433, 482034, 482379, 587244, 643172, 723051, 880866, 964068, 964758, 1125551, 1446102, 1447137, 1761732, 1929516, 2251102, 2892204, 2894274, 3376653, 3488509, 4502204, 5788548, 6753306, 6977018, 10129959, 10465527, 13506612, 13954036, 20259918, 20931054, 24419563, 31396581, 40519836, 41862108, 48839126, 62793162, 73258689, 80235707, 97678252, 125586324, 146517378, 160471414, 219776067, 240707121, 293034756, 320942828, 439552134, 481414242, 561649949, 722121363, 879104268, 962828484, 1123299898, 1444242726, 1684949847, 2246599796, 2888485452, 3369899694, 5054849541, 6739799388, 10109699082, 20219398164]

約数ペア:

[(1, 20219398164), (2, 10109699082), (3, 6739799388), (4, 5054849541), (6, 3369899694), (7, 2888485452), (9, 2246599796), (12, 1684949847), (14, 1444242726), (18, 1123299898), (21, 962828484), (23, 879104268), (28, 722121363), (36, 561649949), (42, 481414242), (46, 439552134), (63, 320942828), (69, 293034756), (84, 240707121), (92, 219776067), (126, 160471414), (138, 146517378), (161, 125586324), (207, 97678252), (252, 80235707), (276, 73258689), (322, 62793162), (414, 48839126), (483, 41862108), (499, 40519836), (644, 31396581), (828, 24419563), (966, 20931054), (998, 20259918), (1449, 13954036), (1497, 13506612), (1932, 10465527), (1996, 10129959), (2898, 6977018), (2994, 6753306), (3493, 5788548), (4491, 4502204), (5796, 3488509), (5988, 3376653), (6986, 2894274), (6991, 2892204), (8982, 2251102), (10479, 1929516), (11477, 1761732), (13972, 1447137), (13982, 1446102), (17964, 1125551), (20958, 964758), (20973, 964068), (22954, 880866), (27964, 723051), (31437, 643172), (34431, 587244), (41916, 482379), (41946, 482034), (45908, 440433), (48937, 413172), (62874, 321586), (62919, 321356), (68862, 293622), (80339, 251676), (83892, 241017), (97874, 206586), (103293, 195748), (125748, 160793), (125838, 160678), (137724, 146811)]