20153976

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1051}}^1$

素因数の和:1124

約数の個数: 64

約数和(自身を含む): 54535680

約数和(自身を除く): 34381704

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 47, 51, 68, 94, 102, 136, 141, 188, 204, 282, 376, 408, 564, 799, 1051, 1128, 1598, 2102, 2397, 3153, 3196, 4204, 4794, 6306, 6392, 8408, 9588, 12612, 17867, 19176, 25224, 35734, 49397, 53601, 71468, 98794, 107202, 142936, 148191, 197588, 214404, 296382, 395176, 428808, 592764, 839749, 1185528, 1679498, 2519247, 3358996, 5038494, 6717992, 10076988, 20153976]

約数ペア:

[(1, 20153976), (2, 10076988), (3, 6717992), (4, 5038494), (6, 3358996), (8, 2519247), (12, 1679498), (17, 1185528), (24, 839749), (34, 592764), (47, 428808), (51, 395176), (68, 296382), (94, 214404), (102, 197588), (136, 148191), (141, 142936), (188, 107202), (204, 98794), (282, 71468), (376, 53601), (408, 49397), (564, 35734), (799, 25224), (1051, 19176), (1128, 17867), (1598, 12612), (2102, 9588), (2397, 8408), (3153, 6392), (3196, 6306), (4204, 4794)]