20837172

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{4441}}^1$

素因数の和:4488

約数の個数: 48

約数和(自身を含む): 53730432

約数和(自身を除く): 32893260

約数列:

[1, 2, 3, 4, 6, 12, 17, 23, 34, 46, 51, 68, 69, 92, 102, 138, 204, 276, 391, 782, 1173, 1564, 2346, 4441, 4692, 8882, 13323, 17764, 26646, 53292, 75497, 102143, 150994, 204286, 226491, 301988, 306429, 408572, 452982, 612858, 905964, 1225716, 1736431, 3472862, 5209293, 6945724, 10418586, 20837172]

約数ペア:

[(1, 20837172), (2, 10418586), (3, 6945724), (4, 5209293), (6, 3472862), (12, 1736431), (17, 1225716), (23, 905964), (34, 612858), (46, 452982), (51, 408572), (68, 306429), (69, 301988), (92, 226491), (102, 204286), (138, 150994), (204, 102143), (276, 75497), (391, 53292), (782, 26646), (1173, 17764), (1564, 13323), (2346, 8882), (4441, 4692)]