20528036151

素因数分解:

$3^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{557}}^1\times {\mathrm{3517}}^1$

素因数の和:4583

約数の個数: 32

約数和(自身を含む): 31408704000

約数和(自身を除く): 10880667849

約数列:

[1, 3, 7, 21, 499, 557, 1497, 1671, 3493, 3517, 3899, 10479, 10551, 11697, 24619, 73857, 277943, 833829, 1754983, 1945601, 1958969, 5264949, 5836803, 5876907, 12284881, 13712783, 36854643, 41138349, 977525531, 2932576593, 6842678717, 20528036151]

約数ペア:

[(1, 20528036151), (3, 6842678717), (7, 2932576593), (21, 977525531), (499, 41138349), (557, 36854643), (1497, 13712783), (1671, 12284881), (3493, 5876907), (3517, 5836803), (3899, 5264949), (10479, 1958969), (10551, 1945601), (11697, 1754983), (24619, 833829), (73857, 277943)]