20437038

素因数分解:

$2^1\times 3^2\times {\mathrm{211}}^1\times {\mathrm{5381}}^1$

素因数の和:5600

約数の個数: 24

約数和(自身を含む): 44498376

約数和(自身を除く): 24061338

約数列:

[1, 2, 3, 6, 9, 18, 211, 422, 633, 1266, 1899, 3798, 5381, 10762, 16143, 32286, 48429, 96858, 1135391, 2270782, 3406173, 6812346, 10218519, 20437038]

約数ペア:

[(1, 20437038), (2, 10218519), (3, 6812346), (6, 3406173), (9, 2270782), (18, 1135391), (211, 96858), (422, 48429), (633, 32286), (1266, 16143), (1899, 10762), (3798, 5381)]