20959776

素因数分解:

$2^5\times 3^3\times {\mathrm{17}}^1\times {\mathrm{1427}}^1$

素因数の和:1463

約数の個数: 96

約数和(自身を含む): 64774080

約数和(自身を除く): 43814304

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 32, 34, 36, 48, 51, 54, 68, 72, 96, 102, 108, 136, 144, 153, 204, 216, 272, 288, 306, 408, 432, 459, 544, 612, 816, 864, 918, 1224, 1427, 1632, 1836, 2448, 2854, 3672, 4281, 4896, 5708, 7344, 8562, 11416, 12843, 14688, 17124, 22832, 24259, 25686, 34248, 38529, 45664, 48518, 51372, 68496, 72777, 77058, 97036, 102744, 136992, 145554, 154116, 194072, 205488, 218331, 291108, 308232, 388144, 410976, 436662, 582216, 616464, 654993, 776288, 873324, 1164432, 1232928, 1309986, 1746648, 2328864, 2619972, 3493296, 5239944, 6986592, 10479888, 20959776]

約数ペア:

[(1, 20959776), (2, 10479888), (3, 6986592), (4, 5239944), (6, 3493296), (8, 2619972), (9, 2328864), (12, 1746648), (16, 1309986), (17, 1232928), (18, 1164432), (24, 873324), (27, 776288), (32, 654993), (34, 616464), (36, 582216), (48, 436662), (51, 410976), (54, 388144), (68, 308232), (72, 291108), (96, 218331), (102, 205488), (108, 194072), (136, 154116), (144, 145554), (153, 136992), (204, 102744), (216, 97036), (272, 77058), (288, 72777), (306, 68496), (408, 51372), (432, 48518), (459, 45664), (544, 38529), (612, 34248), (816, 25686), (864, 24259), (918, 22832), (1224, 17124), (1427, 14688), (1632, 12843), (1836, 11416), (2448, 8562), (2854, 7344), (3672, 5708), (4281, 4896)]