20155464

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:252

約数の個数: 144

約数和(自身を含む): 66023100

約数和(自身を除く): 45867636

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 29, 36, 42, 49, 56, 58, 63, 72, 84, 87, 98, 116, 126, 147, 168, 174, 196, 197, 203, 232, 252, 261, 294, 348, 392, 394, 406, 441, 504, 522, 588, 591, 609, 696, 788, 812, 882, 1044, 1176, 1182, 1218, 1379, 1421, 1576, 1624, 1764, 1773, 1827, 2088, 2364, 2436, 2758, 2842, 3528, 3546, 3654, 4137, 4263, 4728, 4872, 5516, 5684, 5713, 7092, 7308, 8274, 8526, 9653, 11032, 11368, 11426, 12411, 12789, 14184, 14616, 16548, 17052, 17139, 19306, 22852, 24822, 25578, 28959, 33096, 34104, 34278, 38612, 39991, 45704, 49644, 51156, 51417, 57918, 68556, 77224, 79982, 86877, 99288, 102312, 102834, 115836, 119973, 137112, 159964, 173754, 205668, 231672, 239946, 279937, 319928, 347508, 359919, 411336, 479892, 559874, 695016, 719838, 839811, 959784, 1119748, 1439676, 1679622, 2239496, 2519433, 2879352, 3359244, 5038866, 6718488, 10077732, 20155464]

約数ペア:

[(1, 20155464), (2, 10077732), (3, 6718488), (4, 5038866), (6, 3359244), (7, 2879352), (8, 2519433), (9, 2239496), (12, 1679622), (14, 1439676), (18, 1119748), (21, 959784), (24, 839811), (28, 719838), (29, 695016), (36, 559874), (42, 479892), (49, 411336), (56, 359919), (58, 347508), (63, 319928), (72, 279937), (84, 239946), (87, 231672), (98, 205668), (116, 173754), (126, 159964), (147, 137112), (168, 119973), (174, 115836), (196, 102834), (197, 102312), (203, 99288), (232, 86877), (252, 79982), (261, 77224), (294, 68556), (348, 57918), (392, 51417), (394, 51156), (406, 49644), (441, 45704), (504, 39991), (522, 38612), (588, 34278), (591, 34104), (609, 33096), (696, 28959), (788, 25578), (812, 24822), (882, 22852), (1044, 19306), (1176, 17139), (1182, 17052), (1218, 16548), (1379, 14616), (1421, 14184), (1576, 12789), (1624, 12411), (1764, 11426), (1773, 11368), (1827, 11032), (2088, 9653), (2364, 8526), (2436, 8274), (2758, 7308), (2842, 7092), (3528, 5713), (3546, 5684), (3654, 5516), (4137, 4872), (4263, 4728)]