20329904

素因数分解:

$2^4\times 7^2\times {\mathrm{25931}}^1$

素因数の和:25953

約数の個数: 30

約数和(自身を含む): 45821844

約数和(自身を除く): 25491940

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 25931, 51862, 103724, 181517, 207448, 363034, 414896, 726068, 1270619, 1452136, 2541238, 2904272, 5082476, 10164952, 20329904]

約数ペア:

[(1, 20329904), (2, 10164952), (4, 5082476), (7, 2904272), (8, 2541238), (14, 1452136), (16, 1270619), (28, 726068), (49, 414896), (56, 363034), (98, 207448), (112, 181517), (196, 103724), (392, 51862), (784, 25931)]