20975376

素因数分解:

$2^4\times 3^1\times {\mathrm{379}}^1\times {\mathrm{1153}}^1$

素因数の和:1543

約数の個数: 40

約数和(自身を含む): 54376480

約数和(自身を除く): 33401104

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 379, 758, 1137, 1153, 1516, 2274, 2306, 3032, 3459, 4548, 4612, 6064, 6918, 9096, 9224, 13836, 18192, 18448, 27672, 55344, 436987, 873974, 1310961, 1747948, 2621922, 3495896, 5243844, 6991792, 10487688, 20975376]

約数ペア:

[(1, 20975376), (2, 10487688), (3, 6991792), (4, 5243844), (6, 3495896), (8, 2621922), (12, 1747948), (16, 1310961), (24, 873974), (48, 436987), (379, 55344), (758, 27672), (1137, 18448), (1153, 18192), (1516, 13836), (2274, 9224), (2306, 9096), (3032, 6918), (3459, 6064), (4548, 4612)]