820021724

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{227531}}^1$

素因数の和:227605

約数の個数: 24

約数和(自身を含む): 1548127728

約数和(自身を除く): 728106004

約数列:

[1, 2, 4, 17, 34, 53, 68, 106, 212, 901, 1802, 3604, 227531, 455062, 910124, 3868027, 7736054, 12059143, 15472108, 24118286, 48236572, 205005431, 410010862, 820021724]

約数ペア:

[(1, 820021724), (2, 410010862), (4, 205005431), (17, 48236572), (34, 24118286), (53, 15472108), (68, 12059143), (106, 7736054), (212, 3868027), (901, 910124), (1802, 455062), (3604, 227531)]