20766807760

素因数分解:

$2^4\times 5^1\times {\mathrm{7411}}^1\times {\mathrm{35027}}^1$

素因数の和:42451

約数の個数: 40

約数和(自身を含む): 48290721696

約数和(自身を除く): 27523913936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 7411, 14822, 29644, 35027, 37055, 59288, 70054, 74110, 118576, 140108, 148220, 175135, 280216, 296440, 350270, 560432, 592880, 700540, 1401080, 2802160, 259585097, 519170194, 1038340388, 1297925485, 2076680776, 2595850970, 4153361552, 5191701940, 10383403880, 20766807760]

約数ペア:

[(1, 20766807760), (2, 10383403880), (4, 5191701940), (5, 4153361552), (8, 2595850970), (10, 2076680776), (16, 1297925485), (20, 1038340388), (40, 519170194), (80, 259585097), (7411, 2802160), (14822, 1401080), (29644, 700540), (35027, 592880), (37055, 560432), (59288, 350270), (70054, 296440), (74110, 280216), (118576, 175135), (140108, 148220)]