20773490

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1373}}^1$

素因数の和:1486

約数の個数: 32

約数和(自身を含む): 40065840

約数和(自身を除く): 19292350

約数列:

[1, 2, 5, 10, 17, 34, 85, 89, 170, 178, 445, 890, 1373, 1513, 2746, 3026, 6865, 7565, 13730, 15130, 23341, 46682, 116705, 122197, 233410, 244394, 610985, 1221970, 2077349, 4154698, 10386745, 20773490]

約数ペア:

[(1, 20773490), (2, 10386745), (5, 4154698), (10, 2077349), (17, 1221970), (34, 610985), (85, 244394), (89, 233410), (170, 122197), (178, 116705), (445, 46682), (890, 23341), (1373, 15130), (1513, 13730), (2746, 7565), (3026, 6865)]