20199327172

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{631}}^1\times {\mathrm{1151}}^1$

素因数の和:2212

約数の個数: 48

約数和(自身を含む): 37611786240

約数和(自身を除く): 17412459068

約数列:

[1, 2, 4, 17, 34, 68, 409, 631, 818, 1151, 1262, 1636, 2302, 2524, 4604, 6953, 10727, 13906, 19567, 21454, 27812, 39134, 42908, 78268, 258079, 470759, 516158, 726281, 941518, 1032316, 1452562, 1883036, 2905124, 4387343, 8002903, 8774686, 12346777, 16005806, 17549372, 24693554, 32011612, 49387108, 297048929, 594097858, 1188195716, 5049831793, 10099663586, 20199327172]

約数ペア:

[(1, 20199327172), (2, 10099663586), (4, 5049831793), (17, 1188195716), (34, 594097858), (68, 297048929), (409, 49387108), (631, 32011612), (818, 24693554), (1151, 17549372), (1262, 16005806), (1636, 12346777), (2302, 8774686), (2524, 8002903), (4604, 4387343), (6953, 2905124), (10727, 1883036), (13906, 1452562), (19567, 1032316), (21454, 941518), (27812, 726281), (39134, 516158), (42908, 470759), (78268, 258079)]