20167389904

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{245083}}^1$

素因数の和:245267

約数の個数: 40

約数和(自身を含む): 40419253280

約数和(自身を除く): 20251863376

約数列:

[1, 2, 4, 8, 16, 37, 74, 139, 148, 278, 296, 556, 592, 1112, 2224, 5143, 10286, 20572, 41144, 82288, 245083, 490166, 980332, 1960664, 3921328, 9068071, 18136142, 34066537, 36272284, 68133074, 72544568, 136266148, 145089136, 272532296, 545064592, 1260461869, 2520923738, 5041847476, 10083694952, 20167389904]

約数ペア:

[(1, 20167389904), (2, 10083694952), (4, 5041847476), (8, 2520923738), (16, 1260461869), (37, 545064592), (74, 272532296), (139, 145089136), (148, 136266148), (278, 72544568), (296, 68133074), (556, 36272284), (592, 34066537), (1112, 18136142), (2224, 9068071), (5143, 3921328), (10286, 1960664), (20572, 980332), (41144, 490166), (82288, 245083)]