20840416

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{227}}^1$

素因数の和:407

約数の個数: 48

約数和(自身を含む): 43666560

約数和(自身を除く): 22826144

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 151, 152, 227, 302, 304, 454, 604, 608, 908, 1208, 1816, 2416, 2869, 3632, 4313, 4832, 5738, 7264, 8626, 11476, 17252, 22952, 34277, 34504, 45904, 68554, 69008, 91808, 137108, 138016, 274216, 548432, 651263, 1096864, 1302526, 2605052, 5210104, 10420208, 20840416]

約数ペア:

[(1, 20840416), (2, 10420208), (4, 5210104), (8, 2605052), (16, 1302526), (19, 1096864), (32, 651263), (38, 548432), (76, 274216), (151, 138016), (152, 137108), (227, 91808), (302, 69008), (304, 68554), (454, 45904), (604, 34504), (608, 34277), (908, 22952), (1208, 17252), (1816, 11476), (2416, 8626), (2869, 7264), (3632, 5738), (4313, 4832)]