20904152

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{547}}^1$

素因数の和:851

約数の個数: 32

約数和(自身を含む): 41724720

約数和(自身を除く): 20820568

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 281, 547, 562, 1094, 1124, 2188, 2248, 4376, 4777, 9299, 9554, 18598, 19108, 37196, 38216, 74392, 153707, 307414, 614828, 1229656, 2613019, 5226038, 10452076, 20904152]

約数ペア:

[(1, 20904152), (2, 10452076), (4, 5226038), (8, 2613019), (17, 1229656), (34, 614828), (68, 307414), (136, 153707), (281, 74392), (547, 38216), (562, 37196), (1094, 19108), (1124, 18598), (2188, 9554), (2248, 9299), (4376, 4777)]