20888712

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:244

約数の個数: 128

約数和(自身を含む): 64310400

約数和(自身を除く): 43421688

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 43, 52, 54, 72, 78, 86, 104, 108, 117, 129, 156, 172, 173, 216, 234, 258, 312, 344, 346, 351, 387, 468, 516, 519, 559, 692, 702, 774, 936, 1032, 1038, 1118, 1161, 1384, 1404, 1548, 1557, 1677, 2076, 2236, 2249, 2322, 2808, 3096, 3114, 3354, 4152, 4472, 4498, 4644, 4671, 5031, 6228, 6708, 6747, 7439, 8996, 9288, 9342, 10062, 12456, 13416, 13494, 14878, 15093, 17992, 18684, 20124, 20241, 22317, 26988, 29756, 30186, 37368, 40248, 40482, 44634, 53976, 59512, 60372, 60723, 66951, 80964, 89268, 96707, 120744, 121446, 133902, 161928, 178536, 193414, 200853, 242892, 267804, 290121, 386828, 401706, 485784, 535608, 580242, 773656, 803412, 870363, 1160484, 1606824, 1740726, 2320968, 2611089, 3481452, 5222178, 6962904, 10444356, 20888712]

約数ペア:

[(1, 20888712), (2, 10444356), (3, 6962904), (4, 5222178), (6, 3481452), (8, 2611089), (9, 2320968), (12, 1740726), (13, 1606824), (18, 1160484), (24, 870363), (26, 803412), (27, 773656), (36, 580242), (39, 535608), (43, 485784), (52, 401706), (54, 386828), (72, 290121), (78, 267804), (86, 242892), (104, 200853), (108, 193414), (117, 178536), (129, 161928), (156, 133902), (172, 121446), (173, 120744), (216, 96707), (234, 89268), (258, 80964), (312, 66951), (344, 60723), (346, 60372), (351, 59512), (387, 53976), (468, 44634), (516, 40482), (519, 40248), (559, 37368), (692, 30186), (702, 29756), (774, 26988), (936, 22317), (1032, 20241), (1038, 20124), (1118, 18684), (1161, 17992), (1384, 15093), (1404, 14878), (1548, 13494), (1557, 13416), (1677, 12456), (2076, 10062), (2236, 9342), (2249, 9288), (2322, 8996), (2808, 7439), (3096, 6747), (3114, 6708), (3354, 6228), (4152, 5031), (4472, 4671), (4498, 4644)]