20676726

素因数分解:

$2^1\times 3^2\times 7^3\times {\mathrm{17}}^1\times {\mathrm{197}}^1$

素因数の和:243

約数の個数: 96

約数和(自身を含む): 55598400

約数和(自身を除く): 34921674

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 34, 42, 49, 51, 63, 98, 102, 119, 126, 147, 153, 197, 238, 294, 306, 343, 357, 394, 441, 591, 686, 714, 833, 882, 1029, 1071, 1182, 1379, 1666, 1773, 2058, 2142, 2499, 2758, 3087, 3349, 3546, 4137, 4998, 5831, 6174, 6698, 7497, 8274, 9653, 10047, 11662, 12411, 14994, 17493, 19306, 20094, 23443, 24822, 28959, 30141, 34986, 46886, 52479, 57918, 60282, 67571, 70329, 86877, 104958, 135142, 140658, 164101, 173754, 202713, 210987, 328202, 405426, 421974, 492303, 608139, 984606, 1148707, 1216278, 1476909, 2297414, 2953818, 3446121, 6892242, 10338363, 20676726]

約数ペア:

[(1, 20676726), (2, 10338363), (3, 6892242), (6, 3446121), (7, 2953818), (9, 2297414), (14, 1476909), (17, 1216278), (18, 1148707), (21, 984606), (34, 608139), (42, 492303), (49, 421974), (51, 405426), (63, 328202), (98, 210987), (102, 202713), (119, 173754), (126, 164101), (147, 140658), (153, 135142), (197, 104958), (238, 86877), (294, 70329), (306, 67571), (343, 60282), (357, 57918), (394, 52479), (441, 46886), (591, 34986), (686, 30141), (714, 28959), (833, 24822), (882, 23443), (1029, 20094), (1071, 19306), (1182, 17493), (1379, 14994), (1666, 12411), (1773, 11662), (2058, 10047), (2142, 9653), (2499, 8274), (2758, 7497), (3087, 6698), (3349, 6174), (3546, 5831), (4137, 4998)]