20978659394

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19460723}}^1$

素因数の和:19460750

約数の個数: 24

約数和(自身を含む): 39933405648

約数和(自身を除く): 18954746254

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 539, 1078, 19460723, 38921446, 136225061, 214067953, 272450122, 428135906, 953575427, 1498475671, 1907150854, 2996951342, 10489329697, 20978659394]

約数ペア:

[(1, 20978659394), (2, 10489329697), (7, 2996951342), (11, 1907150854), (14, 1498475671), (22, 953575427), (49, 428135906), (77, 272450122), (98, 214067953), (154, 136225061), (539, 38921446), (1078, 19460723)]