20828528

素因数分解:

$2^4\times 7^2\times {\mathrm{31}}^1\times {\mathrm{857}}^1$

素因数の和:910

約数の個数: 60

約数和(自身を含む): 48514752

約数和(自身を除く): 27686224

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 49, 56, 62, 98, 112, 124, 196, 217, 248, 392, 434, 496, 784, 857, 868, 1519, 1714, 1736, 3038, 3428, 3472, 5999, 6076, 6856, 11998, 12152, 13712, 23996, 24304, 26567, 41993, 47992, 53134, 83986, 95984, 106268, 167972, 185969, 212536, 335944, 371938, 425072, 671888, 743876, 1301783, 1487752, 2603566, 2975504, 5207132, 10414264, 20828528]

約数ペア:

[(1, 20828528), (2, 10414264), (4, 5207132), (7, 2975504), (8, 2603566), (14, 1487752), (16, 1301783), (28, 743876), (31, 671888), (49, 425072), (56, 371938), (62, 335944), (98, 212536), (112, 185969), (124, 167972), (196, 106268), (217, 95984), (248, 83986), (392, 53134), (434, 47992), (496, 41993), (784, 26567), (857, 24304), (868, 23996), (1519, 13712), (1714, 12152), (1736, 11998), (3038, 6856), (3428, 6076), (3472, 5999)]