20164592

素因数分解:

$2^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:190

約数の個数: 80

約数和(自身を含む): 47139840

約数和(自身を除く): 26975248

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 53, 56, 79, 86, 106, 112, 158, 172, 212, 301, 316, 344, 371, 424, 553, 602, 632, 688, 742, 848, 1106, 1204, 1264, 1484, 2212, 2279, 2408, 2968, 3397, 4187, 4424, 4558, 4816, 5936, 6794, 8374, 8848, 9116, 13588, 15953, 16748, 18232, 23779, 27176, 29309, 31906, 33496, 36464, 47558, 54352, 58618, 63812, 66992, 95116, 117236, 127624, 180041, 190232, 234472, 255248, 360082, 380464, 468944, 720164, 1260287, 1440328, 2520574, 2880656, 5041148, 10082296, 20164592]

約数ペア:

[(1, 20164592), (2, 10082296), (4, 5041148), (7, 2880656), (8, 2520574), (14, 1440328), (16, 1260287), (28, 720164), (43, 468944), (53, 380464), (56, 360082), (79, 255248), (86, 234472), (106, 190232), (112, 180041), (158, 127624), (172, 117236), (212, 95116), (301, 66992), (316, 63812), (344, 58618), (371, 54352), (424, 47558), (553, 36464), (602, 33496), (632, 31906), (688, 29309), (742, 27176), (848, 23779), (1106, 18232), (1204, 16748), (1264, 15953), (1484, 13588), (2212, 9116), (2279, 8848), (2408, 8374), (2968, 6794), (3397, 5936), (4187, 4816), (4424, 4558)]