20025184

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{281}}^1$

素因数の和:439

約数の個数: 48

約数和(自身を含む): 42212016

約数和(自身を除く): 22186832

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 131, 136, 262, 272, 281, 524, 544, 562, 1048, 1124, 2096, 2227, 2248, 4192, 4454, 4496, 4777, 8908, 8992, 9554, 17816, 19108, 35632, 36811, 38216, 71264, 73622, 76432, 147244, 152864, 294488, 588976, 625787, 1177952, 1251574, 2503148, 5006296, 10012592, 20025184]

約数ペア:

[(1, 20025184), (2, 10012592), (4, 5006296), (8, 2503148), (16, 1251574), (17, 1177952), (32, 625787), (34, 588976), (68, 294488), (131, 152864), (136, 147244), (262, 76432), (272, 73622), (281, 71264), (524, 38216), (544, 36811), (562, 35632), (1048, 19108), (1124, 17816), (2096, 9554), (2227, 8992), (2248, 8908), (4192, 4777), (4454, 4496)]