20842136

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{21893}}^1$

素因数の和:21923

約数の個数: 32

約数和(自身を含む): 47291040

約数和(自身を除く): 26448904

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 476, 952, 21893, 43786, 87572, 153251, 175144, 306502, 372181, 613004, 744362, 1226008, 1488724, 2605267, 2977448, 5210534, 10421068, 20842136]

約数ペア:

[(1, 20842136), (2, 10421068), (4, 5210534), (7, 2977448), (8, 2605267), (14, 1488724), (17, 1226008), (28, 744362), (34, 613004), (56, 372181), (68, 306502), (119, 175144), (136, 153251), (238, 87572), (476, 43786), (952, 21893)]