20649291236

素因数分解:

$2^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{4697291}}^1$

素因数の和:4697459

約数の個数: 24

約数和(自身を含む): 41561639616

約数和(自身を除く): 20912348380

約数列:

[1, 2, 4, 7, 14, 28, 157, 314, 628, 1099, 2198, 4396, 4697291, 9394582, 18789164, 32881037, 65762074, 131524148, 737474687, 1474949374, 2949898748, 5162322809, 10324645618, 20649291236]

約数ペア:

[(1, 20649291236), (2, 10324645618), (4, 5162322809), (7, 2949898748), (14, 1474949374), (28, 737474687), (157, 131524148), (314, 65762074), (628, 32881037), (1099, 18789164), (2198, 9394582), (4396, 4697291)]