20753278

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1129}}^1$

素因数の和:1252

約数の個数: 32

約数和(自身を含む): 38727360

約数和(自身を除く): 17974082

約数列:

[1, 2, 7, 13, 14, 26, 91, 101, 182, 202, 707, 1129, 1313, 1414, 2258, 2626, 7903, 9191, 14677, 15806, 18382, 29354, 102739, 114029, 205478, 228058, 798203, 1482377, 1596406, 2964754, 10376639, 20753278]

約数ペア:

[(1, 20753278), (2, 10376639), (7, 2964754), (13, 1596406), (14, 1482377), (26, 798203), (91, 228058), (101, 205478), (182, 114029), (202, 102739), (707, 29354), (1129, 18382), (1313, 15806), (1414, 14677), (2258, 9191), (2626, 7903)]