20463944

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{523}}^1$

素因数の和:669

約数の個数: 32

約数和(自身を含む): 39551520

約数和(自身を除く): 19087576

約数列:

[1, 2, 4, 8, 67, 73, 134, 146, 268, 292, 523, 536, 584, 1046, 2092, 4184, 4891, 9782, 19564, 35041, 38179, 39128, 70082, 76358, 140164, 152716, 280328, 305432, 2557993, 5115986, 10231972, 20463944]

約数ペア:

[(1, 20463944), (2, 10231972), (4, 5115986), (8, 2557993), (67, 305432), (73, 280328), (134, 152716), (146, 140164), (268, 76358), (292, 70082), (523, 39128), (536, 38179), (584, 35041), (1046, 19564), (2092, 9782), (4184, 4891)]