20776539

素因数分解:

$3^1\times 7^3\times {\mathrm{61}}^1\times {\mathrm{331}}^1$

素因数の和:416

約数の個数: 32

約数和(自身を含む): 32934400

約数和(自身を除く): 12157861

約数列:

[1, 3, 7, 21, 49, 61, 147, 183, 331, 343, 427, 993, 1029, 1281, 2317, 2989, 6951, 8967, 16219, 20191, 20923, 48657, 60573, 62769, 113533, 141337, 340599, 424011, 989359, 2968077, 6925513, 20776539]

約数ペア:

[(1, 20776539), (3, 6925513), (7, 2968077), (21, 989359), (49, 424011), (61, 340599), (147, 141337), (183, 113533), (331, 62769), (343, 60573), (427, 48657), (993, 20923), (1029, 20191), (1281, 16219), (2317, 8967), (2989, 6951)]