20001296

素因数分解:

$2^4\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1669}}^1$

素因数の和:1791

約数の個数: 40

約数和(自身を含む): 44729280

約数和(自身を除く): 24727984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 107, 112, 214, 428, 749, 856, 1498, 1669, 1712, 2996, 3338, 5992, 6676, 11683, 11984, 13352, 23366, 26704, 46732, 93464, 178583, 186928, 357166, 714332, 1250081, 1428664, 2500162, 2857328, 5000324, 10000648, 20001296]

約数ペア:

[(1, 20001296), (2, 10000648), (4, 5000324), (7, 2857328), (8, 2500162), (14, 1428664), (16, 1250081), (28, 714332), (56, 357166), (107, 186928), (112, 178583), (214, 93464), (428, 46732), (749, 26704), (856, 23366), (1498, 13352), (1669, 11984), (1712, 11683), (2996, 6676), (3338, 5992)]